Classes
Protocols
Constants
Functions
Macros
Types
Variables

### Classes

NSAffineTransform
NSAppleEventDescriptor
NSAppleEventManager
NSAppleScript
NSArchiver
NSArray
NSAssertionHandler
NSAttributedString
NSAutoreleasePool
NSBackgroundActivityScheduler
NSBlockOperation
NSBundle
NSByteCountFormatter
NSCache
NSCachedURLResponse
NSCalendar
NSCalendarDate
NSCharacterSet
NSClassDescription
NSCoder
NSComparisonPredicate
NSCompoundPredicate
NSCondition
NSConditionLock
NSConnection
NSCountedSet
NSData
NSDate
NSDateComponents
NSDateComponentsFormatter
NSDateFormatter
NSDateInterval
NSDateIntervalFormatter
NSDecimalNumber
NSDecimalNumberHandler
NSDeserializer
NSDictionary
NSDimension
NSDirectoryEnumerator
NSDistantObject
NSDistributedLock
NSDistributedNotificationCenter
NSEnergyFormatter
NSEnumerator
NSError
NSException
NSExpression
NSExtensionContext
NSExtensionItem
NSFileAccessIntent
NSFileCoordinator
NSFileHandle
NSFileManager
NSFileVersion
NSFileWrapper
NSFormatter
NSGarbageCollector
NSHTTPCookie
NSHTTPCookieStorage
NSHTTPURLResponse
NSHashTable
NSHost
NSISO8601DateFormatter
NSIndexPath
NSIndexSet
NSInputStream
NSInvocation
NSInvocationOperation
NSItemProvider
NSItemProviderReadingWriting
NSJSONSerialization
NSKeyedArchiver
NSKeyedUnarchiver
NSLengthFormatter
NSLinguisticTagger
NSLocale
NSLock
NSMapTable
NSMassFormatter
NSMeasurement
NSMeasurementFormatter
NSMessagePort
NSMessagePortNameServer
NSMetadataItem
NSMetadataQuery
NSMetadataQueryAttributeValueTuple
NSMetadataQueryResultGroup
NSMethodSignature
NSMutableArray
NSMutableAttributedString
NSMutableCharacterSet
NSMutableData
NSMutableDictionary
NSMutableIndexSet
NSMutableOrderedSet
NSMutableSet
NSMutableString
NSMutableURLRequest
NSNetService
NSNetServiceBrowser
NSNotification
NSNotificationCenter
NSNotificationQueue
NSNull
NSNumber
NSNumberFormatter
NSObject
NSObjectScripting
NSOperation
NSOperationQueue
NSOrderedSet
NSOrthography
NSOutputStream
NSPersonNameComponents
NSPersonNameComponentsFormatter
NSPipe
NSPointerArray
NSPointerFunctions
NSPort
NSPortCoder
NSPortMessage
NSPortNameServer
NSPredicate
NSProcessInfo
NSProgress
NSPropertyListSerialization
NSProtocolChecker
NSProxy
NSRecursiveLock
NSRegularExpression
NSRunLoop
NSScanner
NSScriptClassDescription
NSScriptCoercionHandler
NSScriptCommand
NSScriptCommandDescription
NSScriptExecutionContext
NSScriptKeyValueCoding
NSScriptObjectSpecifiers
NSScriptStandardSuiteCommands
NSScriptSuiteRegistry
NSSerializer
NSSet
NSSocketPort
NSSocketPortNameServer
NSSortDescriptor
NSSpellServer
NSStream
NSString
NSTask
NSTextCheckingResult
NSThread
NSTimeZone
NSTimeZoneDetail
NSTimer
NSURL
NSURLAuthenticationChallenge
NSURLCache
NSURLComponents
NSURLConnection
NSURLCredential
NSURLCredentialStorage
NSURLDownload
NSURLHandle
NSURLProtectionSpace
NSURLProtocol
NSURLQueryItem
NSURLRequest
NSURLResponse
NSURLSession
NSURLSessionConfiguration
NSURLSessionDataTask
NSURLSessionDownloadTask
NSURLSessionStreamTask
NSURLSessionTask
NSURLSessionUploadTask
NSUUID
NSUbiquitousKeyValueStore
NSUnarchiver
NSUndoManager
NSUnit
NSUnitAcceleration
NSUnitAngle
NSUnitArea
NSUnitConcentrationMass
NSUnitConverter
NSUnitConverterLinear
NSUnitDispersion
NSUnitDuration
NSUnitElectricCharge
NSUnitElectricCurrent
NSUnitElectricPotentialDifference
NSUnitElectricResistance
NSUnitEnergy
NSUnitFrequency
NSUnitFuelEfficiency
NSUnitIlluminance
NSUnitLength
NSUnitMass
NSUnitPower
NSUnitPressure
NSUnitSpeed
NSUnitTemperature
NSUnitVolume
NSUserActivity
NSUserDefaults
NSUserNotification
NSUserNotificationCenter
NSUserScriptTask
NSValue
NSValueTransformer
NSXMLDTD
NSXMLDTDNode
NSXMLDocument
NSXMLElement
NSXMLNode
NSXMLParser
NSXPCConnection
NSXPCInterface
NSXPCListener
NSXPCListenerEndpoint
NXConstantString

### Protocols

<GSLogDelegate>
<NSCacheDelegate>
<NSCoding>
<NSCopying>
<NSDecimalNumberBehaviors>
<NSDiscardableContent>
<NSExtensionRequestHandling>
<NSFastEnumeration>
<NSFileManagerDelegate>
<NSFilePresenter>
<NSItemProviderReading>
<NSItemProviderWriting>
<NSLocking>
<NSMetadataQueryDelegate>
<NSMutableCopying>
<NSNetServiceBrowserDelegate>
<NSNetServiceDelegate>
<NSObjCTypeSerializationCallBack>
<NSObject>
<NSProgressReporting>
<NSSecureCoding>
<NSStreamDelegate>
<NSURLAuthenticationChallengeSender>
<NSURLConnectionDataDelegate>
<NSURLHandleClient>
<NSURLProtocolClient>
<NSURLSessionDataDelegate>
<NSURLSessionDelegate>
<NSURLSessionDownloadDelegate>
<NSURLSessionTaskDelegate>
<NSUserNotificationCenterDelegate>
<NSXMLParserDelegate>
<NSXPCListenerDelegate>
<NSXPCProxyCreating>
<RunLoopEvents>
(GSTraceLocks)
(NSComparisonMethods)
(NSConnectionDelegate)
(NSErrorRecoveryAttempting)
(NSFileManagerDelegate)
(NSFileManagerHandler)
(NSFilePresenter)
(NSKeyValueCoding)
(NSMetadataQueryDelegate)
(NSNetServiceBrowserDelegateMethods)
(NSNetServiceDelegateMethods)
(NSSpellServerDelegate)
(NSStreamDelegate)
(NSUserNotificationCenterDelegateMethods)
(RunLoopEvents)
(TimedPerformers)

### Constants

GSCACertificateFilePath
GSConfigDomain
GSFileHandleConnectCompletionNotification
GSFileHandleNotificationError
GSFileHandleWriteCompletionNotification
GSHTTPPropertyCertificateFileKey
GSHTTPPropertyKeyFileKey
GSHTTPPropertyLocalHostKey
GSHTTPPropertyMethodKey
GSHTTPPropertyPasswordKey
GSHTTPPropertyProxyHostKey
GSHTTPPropertyProxyPortKey
GSLocale
GSNetworkNotificationCenterType
GSPublicNotificationCenterType
GSTLSCAFile
GSTLSCertificateFile
GSTLSCertificateKeyFile
GSTLSCertificateKeyPassword
GSTLSDebug
GSTLSIssuers
GSTLSOwners
GSTLSPriority
GSTLSRemoteHosts
GSTLSRevokeFile
GSTLSServerName
GSTLSVerify
NSAMPMDesignation
NSArgumentDomain
NSAssertionHandlerKey
NSBuddhistCalendar
NSBundleDidLoadNotification
NSCalendarIdentifierBuddhist
NSCalendarIdentifierChinese
NSCalendarIdentifierCoptic
NSCalendarIdentifierEthiopicAmeteAlem
NSCalendarIdentifierEthiopicAmeteMihret
NSCalendarIdentifierGregorian
NSCalendarIdentifierHebrew
NSCalendarIdentifierISO8601
NSCalendarIdentifierIndian
NSCalendarIdentifierIslamic
NSCalendarIdentifierIslamicCivil
NSCalendarIdentifierIslamicTabular
NSCalendarIdentifierIslamicUmmAlQura
NSCalendarIdentifierJapanese
NSCalendarIdentifierPersian
NSCalendarIdentifierRepublicOfChina
NSCharacterConversionException
NSChineseCalendar
NSClassDescriptionNeededForClassNotification
NSConnectionDidDieNotification
NSConnectionDidInitializeNotification
NSConnectionLocalCount
NSConnectionProxyCount
NSConnectionRepliesReceived
NSConnectionRepliesSent
NSConnectionReplyMode
NSConnectionRequestsReceived
NSConnectionRequestsSent
NSCurrencyString
NSCurrencySymbol
NSCurrentLocaleDidChangeNotification
NSDateFormatString
NSDateTimeOrdering
NSDecimalDigits
NSDecimalSeparator
NSDestinationInvalidException
NSEarlierTimeDesignations
NSEdgeInsetsZero
NSErrorFailingURLStringKey
NSExtensionHostDidBecomeActiveNotification
NSExtensionHostDidEnterBackgroundNotification
NSExtensionHostWillEnterForegroundNotification
NSExtensionHostWillResignActiveNotification
NSExtensionItemAttachmentsKey
NSExtensionItemAttributedContentTextKey
NSExtensionItemAttributedTitleKey
NSExtensionItemsAndErrorsKey
NSExtensionJavaScriptFinalizeArgumentKey
NSExtensionJavaScriptPreprocessingResultsKey
NSFailedAuthenticationException
NSFileAppendOnly
NSFileCreationDate
NSFileDeviceIdentifier
NSFileExtensionHidden
NSFileGroupOwnerAccountID
NSFileGroupOwnerAccountName
NSFileHFSCreatorCode
NSFileHFSTypeCode
NSFileHandleConnectionAcceptedNotification
NSFileHandleDataAvailableNotification
NSFileHandleNotificationDataItem
NSFileHandleNotificationFileHandleItem
NSFileHandleNotificationMonitorModes
NSFileHandleOperationException
NSFileHandleReadCompletionNotification
NSFileHandleReadToEndOfFileCompletionNotification
NSFileImmutable
NSFileModificationDate
NSFileOwnerAccountID
NSFileOwnerAccountName
NSFilePathErrorKey
NSFilePosixPermissions
NSFileReferenceCount
NSFileSize
NSFileSystemFileNumber
NSFileSystemFreeNodes
NSFileSystemFreeSize
NSFileSystemNodes
NSFileSystemNumber
NSFileSystemSize
NSFileType
NSFileTypeBlockSpecial
NSFileTypeCharacterSpecial
NSFileTypeDirectory
NSFileTypeFifo
NSFileTypeRegular
NSFileTypeSocket
NSFileTypeSymbolicLink
NSFileTypeUnknown
NSFormalName
NSGenericException
NSGlobalDomain
NSGrammarCorrections
NSGrammarRange
NSGrammarUserDescription
NSGregorianCalendar
NSHTTPCookieComment
NSHTTPCookieCommentURL
NSHTTPCookieDiscard
NSHTTPCookieDomain
NSHTTPCookieExpires
NSHTTPCookieManagerAcceptPolicyChangedNotification
NSHTTPCookieManagerCookiesChangedNotification
NSHTTPCookieMaximumAge
NSHTTPCookieName
NSHTTPCookieOriginURL
NSHTTPCookiePath
NSHTTPCookiePort
NSHTTPCookieSecure
NSHTTPCookieValue
NSHTTPCookieVersion
NSHTTPPropertyErrorPageDataKey
NSHTTPPropertyRedirectionHeadersKey
NSHTTPPropertyServerHTTPVersionKey
NSHTTPPropertyStatusCodeKey
NSHTTPPropertyStatusReasonKey
NSHebrewCalendar
NSHourNameDesignations
NSISO8601Calendar
NSInconsistentArchiveException
NSIndianCalendar
NSIntHashCallBacks
NSIntMapKeyCallBacks
NSIntMapValueCallBacks
NSIntegerHashCallBacks
NSIntegerMapKeyCallBacks
NSIntegerMapValueCallBacks
NSInternalInconsistencyException
NSInternationalCurrencyString
NSInvalidArchiveOperationException
NSInvalidArgumentException
NSInvalidReceivePortException
NSInvalidSendPortException
NSInvalidUnarchiveOperationException
NSInvocationOperationCancelledException
NSInvocationOperationVoidResultException
NSIsNilTransformerName
NSIsNotNilTransformerName
NSIslamicCalendar
NSIslamicCivilCalendar
NSItemProviderErrorDomain
NSItemProviderPreferredImageSizeKey
NSJapaneseCalendar
NSKeyValueChangeIndexesKey
NSKeyValueChangeKindKey
NSKeyValueChangeNewKey
NSKeyValueChangeNotificationIsPriorKey
NSKeyValueChangeOldKey
NSLanguageCode
NSLanguageName
NSLaterTimeDesignations
NSLoadedClasses
NSLocalNotificationCenterType
NSLocaleAlternateQuotationBeginDelimiterKey
NSLocaleAlternateQuotationEndDelimiterKey
NSLocaleCalendar
NSLocaleCalendarIdentifier
NSLocaleCollationIdentifier
NSLocaleCollatorIdentifier
NSLocaleCountryCode
NSLocaleCurrencyCode
NSLocaleCurrencySymbol
NSLocaleDecimalSeparator
NSLocaleExemplarCharacterSet
NSLocaleGroupingSeparator
NSLocaleIdentifier
NSLocaleLanguageCode
NSLocaleMeasurementSystem
NSLocaleQuotationBeginDelimiterKey
NSLocaleQuotationEndDelimiterKey
NSLocaleScriptCode
NSLocaleUsesMetricSystem
NSLocaleVariantCode
NSLocalizedDescriptionKey
NSLocalizedFailureReasonErrorKey
NSLocalizedRecoveryOptionsErrorKey
NSLocalizedRecoverySuggestionErrorKey
NSMallocException
NSMatchingAnchored
NSMatchingCompleted
NSMatchingHitEnd
NSMatchingInternalError
NSMatchingProgress
NSMatchingReportCompletion
NSMatchingReportProgress
NSMatchingRequiredEnd
NSMatchingWithTransparentBounds
NSMatchingWithoutAnchoringBounds
NSMetadataItemAcquisitionMakeKey
NSMetadataItemAcquisitionModelKey
NSMetadataItemAlbumKey
NSMetadataItemAltitudeKey
NSMetadataItemApertureKey
NSMetadataItemAppleLoopDescriptorsKey
NSMetadataItemAppleLoopsKeyFilterTypeKey
NSMetadataItemAppleLoopsLoopModeKey
NSMetadataItemAppleLoopsRootKeyKey
NSMetadataItemApplicationCategoriesKey
NSMetadataItemAttributeChangeDateKey
NSMetadataItemAudiencesKey
NSMetadataItemAudioBitRateKey
NSMetadataItemAudioChannelCountKey
NSMetadataItemAudioEncodingApplicationKey
NSMetadataItemAudioSampleRateKey
NSMetadataItemAudioTrackNumberKey
NSMetadataItemAuthorAddressesKey
NSMetadataItemAuthorEmailAddressesKey
NSMetadataItemAuthorsKey
NSMetadataItemBitsPerSampleKey
NSMetadataItemCFBundleIdentifierKey
NSMetadataItemCameraOwnerKey
NSMetadataItemCityKey
NSMetadataItemCodecsKey
NSMetadataItemColorSpaceKey
NSMetadataItemCommentKey
NSMetadataItemComposerKey
NSMetadataItemContactKeywordsKey
NSMetadataItemContentCreationDateKey
NSMetadataItemContentModificationDateKey
NSMetadataItemContentTypeKey
NSMetadataItemContentTypeTreeKey
NSMetadataItemContributorsKey
NSMetadataItemCopyrightKey
NSMetadataItemCountryKey
NSMetadataItemCoverageKey
NSMetadataItemCreatorKey
NSMetadataItemDateAddedKey
NSMetadataItemDeliveryTypeKey
NSMetadataItemDescriptionKey
NSMetadataItemDirectorKey
NSMetadataItemDisplayNameKey
NSMetadataItemDownloadedDateKey
NSMetadataItemDueDateKey
NSMetadataItemDurationSecondsKey
NSMetadataItemEXIFGPSVersionKey
NSMetadataItemEXIFVersionKey
NSMetadataItemEditorsKey
NSMetadataItemEmailAddressesKey
NSMetadataItemEncodingApplicationsKey
NSMetadataItemExecutableArchitecturesKey
NSMetadataItemExecutablePlatformKey
NSMetadataItemExposureModeKey
NSMetadataItemExposureProgramKey
NSMetadataItemExposureTimeSecondsKey
NSMetadataItemExposureTimeStringKey
NSMetadataItemFNumberKey
NSMetadataItemFSContentChangeDateKey
NSMetadataItemFSCreationDateKey
NSMetadataItemFSNameKey
NSMetadataItemFSSizeKey
NSMetadataItemFinderCommentKey
NSMetadataItemFlashOnOffKey
NSMetadataItemFocalLength35mmKey
NSMetadataItemFocalLengthKey
NSMetadataItemFontsKey
NSMetadataItemGPSAreaInformationKey
NSMetadataItemGPSDOPKey
NSMetadataItemGPSDateStampKey
NSMetadataItemGPSDestBearingKey
NSMetadataItemGPSDestDistanceKey
NSMetadataItemGPSDestLatitudeKey
NSMetadataItemGPSDestLongitudeKey
NSMetadataItemGPSDifferentalKey
NSMetadataItemGPSMapDatumKey
NSMetadataItemGPSMeasureModeKey
NSMetadataItemGPSProcessingMethodKey
NSMetadataItemGPSStatusKey
NSMetadataItemGPSTrackKey
NSMetadataItemGenreKey
NSMetadataItemHasAlphaChannelKey
NSMetadataItemHeadlineKey
NSMetadataItemISOSpeedKey
NSMetadataItemIdentifierKey
NSMetadataItemImageDirectionKey
NSMetadataItemInformationKey
NSMetadataItemInstantMessageAddressesKey
NSMetadataItemInstructionsKey
NSMetadataItemIsApplicationManagedKey
NSMetadataItemIsGeneralMIDISequenceKey
NSMetadataItemIsLikelyJunkKey
NSMetadataItemIsUbiquitousKey
NSMetadataItemKeySignatureKey
NSMetadataItemKeywordsKey
NSMetadataItemKindKey
NSMetadataItemLanguagesKey
NSMetadataItemLastUsedDateKey
NSMetadataItemLatitudeKey
NSMetadataItemLayerNamesKey
NSMetadataItemLensModelKey
NSMetadataItemLongitudeKey
NSMetadataItemLyricistKey
NSMetadataItemMaxApertureKey
NSMetadataItemMediaTypesKey
NSMetadataItemMeteringModeKey
NSMetadataItemMusicalGenreKey
NSMetadataItemMusicalInstrumentCategoryKey
NSMetadataItemMusicalInstrumentNameKey
NSMetadataItemNamedLocationKey
NSMetadataItemNumberOfPagesKey
NSMetadataItemOrganizationsKey
NSMetadataItemOrientationKey
NSMetadataItemOriginalFormatKey
NSMetadataItemOriginalSourceKey
NSMetadataItemPageHeightKey
NSMetadataItemPageWidthKey
NSMetadataItemParticipantsKey
NSMetadataItemPathKey
NSMetadataItemPerformersKey
NSMetadataItemPhoneNumbersKey
NSMetadataItemPixelCountKey
NSMetadataItemPixelHeightKey
NSMetadataItemPixelWidthKey
NSMetadataItemProducerKey
NSMetadataItemProfileNameKey
NSMetadataItemProjectsKey
NSMetadataItemPublishersKey
NSMetadataItemRecipientAddressesKey
NSMetadataItemRecipientEmailAddressesKey
NSMetadataItemRecipientsKey
NSMetadataItemRecordingDateKey
NSMetadataItemRecordingYearKey
NSMetadataItemRedEyeOnOffKey
NSMetadataItemResolutionHeightDPIKey
NSMetadataItemResolutionWidthDPIKey
NSMetadataItemRightsKey
NSMetadataItemSecurityMethodKey
NSMetadataItemSpeedKey
NSMetadataItemStarRatingKey
NSMetadataItemStateOrProvinceKey
NSMetadataItemStreamableKey
NSMetadataItemSubjectKey
NSMetadataItemTempoKey
NSMetadataItemTextContentKey
NSMetadataItemThemeKey
NSMetadataItemTimeSignatureKey
NSMetadataItemTimestampKey
NSMetadataItemTitleKey
NSMetadataItemTotalBitRateKey
NSMetadataItemURLKey
NSMetadataItemVersionKey
NSMetadataItemVideoBitRateKey
NSMetadataItemWhereFromsKey
NSMetadataItemWhiteBalanceKey
NSMetadataQueryDidFinishGatheringNotification
NSMetadataQueryDidStartGatheringNotification
NSMetadataQueryDidUpdateNotification
NSMetadataQueryGatheringProgressNotification
NSMetadataQueryLocalComputerScope
NSMetadataQueryNetworkScope
NSMetadataQueryUbiquitousDataScope
NSMetadataQueryUbiquitousDocumentsScope
NSMetadataQueryUserHomeScope
NSMetadataUbiquitousItemContainerDisplayNameKey
NSMetadataUbiquitousItemDownloadRequestedKey
NSMetadataUbiquitousItemDownloadingErrorKey
NSMetadataUbiquitousItemDownloadingStatusCurrent
NSMetadataUbiquitousItemDownloadingStatusDownloaded
NSMetadataUbiquitousItemDownloadingStatusKey
NSMetadataUbiquitousItemDownloadingStatusNotDownloaded
NSMetadataUbiquitousItemHasUnresolvedConflictsKey
NSMetadataUbiquitousItemIsDownloadedKey
NSMetadataUbiquitousItemIsDownloadingKey
NSMetadataUbiquitousItemIsExternalDocumentKey
NSMetadataUbiquitousItemIsSharedKey
NSMetadataUbiquitousItemIsUploadedKey
NSMetadataUbiquitousItemIsUploadingKey
NSMetadataUbiquitousItemPercentDownloadedKey
NSMetadataUbiquitousItemPercentUploadedKey
NSMetadataUbiquitousItemURLInLocalContainerKey
NSMetadataUbiquitousItemUploadingErrorKey
NSMetadataUbiquitousSharedItemCurrentUserPermissionsKey
NSMetadataUbiquitousSharedItemCurrentUserRoleKey
NSMetadataUbiquitousSharedItemMostRecentEditorNameComponentsKey
NSMetadataUbiquitousSharedItemOwnerNameComponentsKey
NSMetadataUbiquitousSharedItemPermissionsReadOnly
NSMetadataUbiquitousSharedItemPermissionsReadWrite
NSMetadataUbiquitousSharedItemRoleOwner
NSMetadataUbiquitousSharedItemRoleParticipant
NSMonthNameArray
NSNegateBooleanTransformerName
NSNetServicesErrorCode
NSNetServicesErrorDomain
NSNextDayDesignations
NSNextNextDayDesignations
NSNonOwnedPointerHashCallBacks
NSNonOwnedPointerMapKeyCallBacks
NSNonOwnedPointerMapValueCallBacks
NSNonOwnedPointerOrNullMapKeyCallBacks
NSNonRetainedObjectHashCallBacks
NSNonRetainedObjectMapKeyCallBacks
NSNonRetainedObjectMapValueCallBacks
NSObjectHashCallBacks
NSObjectInaccessibleException
NSObjectMapKeyCallBacks
NSObjectMapValueCallBacks
NSObjectNotAvailableException
NSOldStyleException
NSOwnedPointerHashCallBacks
NSOwnedPointerMapKeyCallBacks
NSOwnedPointerMapValueCallBacks
NSParseErrorException
NSPersianCalendar
NSPersonNameComponentDelimiter
NSPersonNameComponentFamilyName
NSPersonNameComponentGivenName
NSPersonNameComponentKey
NSPersonNameComponentMiddleName
NSPersonNameComponentNickname
NSPersonNameComponentPrefix
NSPersonNameComponentSuffix
NSPointerToStructHashCallBacks
NSPortDidBecomeInvalidNotification
NSPortReceiveException
NSPortSendException
NSPortTimeoutException
NSPriorDayDesignations
NSRangeException
NSRecoveryAttempterErrorKey
NSRegistrationDomain
NSRegularExpressionAllowCommentsAndWhitespace
NSRegularExpressionAnchorsMatchLines
NSRegularExpressionCaseInsensitive
NSRegularExpressionDotMatchesLineSeparators
NSRegularExpressionIgnoreMetacharacters
NSRegularExpressionUseUnicodeWordBoundaries
NSRegularExpressionUseUnixLineSeparators
NSRepublicOfChinaCalendar
NSShortDateFormatString
NSShortMonthNameArray
NSShortTimeDateFormatString
NSShortWeekDayNameArray
NSShowNonLocalizedStrings
NSStreamDataWrittenToMemoryStreamKey
NSStreamFileCurrentOffsetKey
NSStreamSOCKSErrorDomain
NSStreamSOCKSProxyConfigurationKey
NSStreamSOCKSProxyHostKey
NSStreamSOCKSProxyPasswordKey
NSStreamSOCKSProxyPortKey
NSStreamSOCKSProxyUserKey
NSStreamSOCKSProxyVersion4
NSStreamSOCKSProxyVersion5
NSStreamSOCKSProxyVersionKey
NSStreamSocketSSLErrorDomain
NSStreamSocketSecurityLevelKey
NSStreamSocketSecurityLevelNegotiatedSSL
NSStreamSocketSecurityLevelNone
NSStreamSocketSecurityLevelSSLv2
NSStreamSocketSecurityLevelSSLv3
NSStreamSocketSecurityLevelTLSv1
NSStringEncodingErrorKey
NSSystemClockDidChangeNotification
NSSystemTimeZoneDidChangeNotification
NSTaskDidTerminateNotification
NSThisDayDesignations
NSThousandsSeparator
NSThreadDidStartNotification
NSThreadWillExitNotification
NSThumbnail1024x1024SizeKey
NSTimeDateFormatString
NSTimeFormatString
NSTimeIntervalSince1970
NSURLAddedToDirectoryDateKey
NSURLApplicationIsScriptableKey
NSURLAttributeModificationDateKey
NSURLAuthenticationMethodClientCertificate
NSURLAuthenticationMethodDefault
NSURLAuthenticationMethodHTMLForm
NSURLAuthenticationMethodHTTPBasic
NSURLAuthenticationMethodHTTPDigest
NSURLAuthenticationMethodNTLM
NSURLAuthenticationMethodNegotiate
NSURLAuthenticationMethodServerTrust
NSURLContentAccessDateKey
NSURLContentModificationDateKey
NSURLCreationDateKey
NSURLCredentialStorageChangedNotification
NSURLCustomIconKey
NSURLDocumentIdentifierKey
NSURLEffectiveIconKey
NSURLErrorDomain
NSURLErrorFailingURLErrorKey
NSURLErrorFailingURLStringErrorKey
NSURLErrorKey
NSURLFileAllocatedSizeKey
NSURLFileResourceIdentifierKey
NSURLFileResourceTypeBlockSpecial
NSURLFileResourceTypeCharacterSpecial
NSURLFileResourceTypeDirectory
NSURLFileResourceTypeKey
NSURLFileResourceTypeNamedPipe
NSURLFileResourceTypeRegular
NSURLFileResourceTypeSocket
NSURLFileResourceTypeSymbolicLink
NSURLFileResourceTypeUnknown
NSURLFileScheme
NSURLFileSecurityKey
NSURLFileSizeKey
NSURLGenerationIdentifierKey
NSURLHasHiddenExtensionKey
NSURLIsAliasFileKey
NSURLIsApplicationKey
NSURLIsDirectoryKey
NSURLIsExcludedFromBackupKey
NSURLIsExecutableKey
NSURLIsHiddenKey
NSURLIsMountTriggerKey
NSURLIsPackageKey
NSURLIsReadableKey
NSURLIsRegularFileKey
NSURLIsSymbolicLinkKey
NSURLIsSystemImmutableKey
NSURLIsUbiquitousItemKey
NSURLIsUserImmutableKey
NSURLIsVolumeKey
NSURLIsWritableKey
NSURLLabelColorKey
NSURLLabelNumberKey
NSURLLinkCountKey
NSURLLocalizedLabelKey
NSURLLocalizedNameKey
NSURLLocalizedTypeDescriptionKey
NSURLNameKey
NSURLParentDirectoryURLKey
NSURLPathKey
NSURLPreferredIOBlockSizeKey
NSURLProtectionSpaceFTPProxy
NSURLProtectionSpaceHTTPProxy
NSURLProtectionSpaceHTTPSProxy
NSURLProtectionSpaceSOCKSProxy
NSURLQuarantinePropertiesKey
NSURLSessionTaskPriorityDefault
NSURLSessionTaskPriorityHigh
NSURLSessionTaskPriorityLow
NSURLSessionTransferSizeUnknown
NSURLTagNamesKey
NSURLTotalFileAllocatedSizeKey
NSURLTotalFileSizeKey
NSURLTypeIdentifierKey
NSURLUbiquitousItemContainerDisplayNameKey
NSURLUbiquitousItemDownloadRequestedKey
NSURLUbiquitousItemDownloadingErrorKey
NSURLUbiquitousItemDownloadingStatusCurrent
NSURLUbiquitousItemDownloadingStatusDownloaded
NSURLUbiquitousItemDownloadingStatusKey
NSURLUbiquitousItemDownloadingStatusNotDownloaded
NSURLUbiquitousItemHasUnresolvedConflictsKey
NSURLUbiquitousItemIsDownloadingKey
NSURLUbiquitousItemIsUploadedKey
NSURLUbiquitousItemIsUploadingKey
NSURLUbiquitousItemUploadingErrorKey
NSURLVolumeAvailableCapacityKey
NSURLVolumeCreationDateKey
NSURLVolumeIdentifierKey
NSURLVolumeIsAutomountedKey
NSURLVolumeIsBrowsableKey
NSURLVolumeIsEjectableKey
NSURLVolumeIsInternalKey
NSURLVolumeIsJournalingKey
NSURLVolumeIsLocalKey
NSURLVolumeIsReadOnlyKey
NSURLVolumeIsRemovableKey
NSURLVolumeLocalizedFormatDescriptionKey
NSURLVolumeLocalizedNameKey
NSURLVolumeMaximumFileSizeKey
NSURLVolumeNameKey
NSURLVolumeResourceCountKey
NSURLVolumeSupportsAdvisoryFileLockingKey
NSURLVolumeSupportsCasePreservedNamesKey
NSURLVolumeSupportsCaseSensitiveNamesKey
NSURLVolumeSupportsExtendedSecurityKey
NSURLVolumeSupportsHardLinksKey
NSURLVolumeSupportsJournalingKey
NSURLVolumeSupportsPersistentIDsKey
NSURLVolumeSupportsRenamingKey
NSURLVolumeSupportsRootDirectoryDatesKey
NSURLVolumeSupportsSparseFilesKey
NSURLVolumeSupportsSymbolicLinksKey
NSURLVolumeSupportsVolumeSizesKey
NSURLVolumeSupportsZeroRunsKey
NSURLVolumeTotalCapacityKey
NSURLVolumeURLForRemountingKey
NSURLVolumeURLKey
NSURLVolumeUUIDStringKey
NSUbiquitousKeyValueStoreChangeReasonKey
NSUbiquitousKeyValueStoreDidChangeExternallyNotification
NSUnarchiveFromDataTransformerName
NSUndefinedKeyException
NSUnderlyingErrorKey
NSUndoManagerCheckpointNotification
NSUndoManagerDidOpenUndoGroupNotification
NSUndoManagerDidRedoChangeNotification
NSUndoManagerDidUndoChangeNotification
NSUndoManagerWillCloseUndoGroupNotification
NSUndoManagerWillRedoChangeNotification
NSUndoManagerWillUndoChangeNotification
NSUserDefaultsDidChangeNotification
NSUserNotificationDefaultSoundName
NSWeekDayNameArray
NSWillBecomeMultiThreadedNotification
NSXMLParserErrorDomain
NSYearMonthWeekDesignations
NSZeroPoint
NSZeroRect
NSZeroSize

### Functions

GNUstepConfig
GNUstepUserConfig
GSDebugAllocationActive
GSDebugAllocationAdd
GSDebugAllocationBytes
GSDebugAllocationClassList
GSDebugAllocationCount
GSDebugAllocationList
GSDebugAllocationListAll
GSDebugAllocationListRecordedObjects
GSDebugAllocationPeak
GSDebugAllocationRecordAndTrace
GSDebugAllocationRecordObjects
GSDebugAllocationRemove
GSDebugAllocationTagRecordedObject
GSDebugAllocationTaggedObjects
GSDebugAllocationTotal
GSDebugSet
GSDefaultsRootForUser
GSInitializeProcess
GSInitializeProcessAndroid
GSInitializeProcessAndroidWithArgs
GSLogLock
GSNSURLSessionDataCompletionHandler
GSNSURLSessionDownloadCompletionHandler
GSOutOfMemory
GSRegisterCurrentThread
GSSetDebugAllocationFunctions
GSSetUserName
GSSpellServerName
GSSwapBigI128ToHost
GSSwapBigI16ToHost
GSSwapBigI32ToHost
GSSwapBigI64ToHost
GSSwapHostI128ToBig
GSSwapHostI128ToLittle
GSSwapHostI16ToBig
GSSwapHostI16ToLittle
GSSwapHostI32ToBig
GSSwapHostI32ToLittle
GSSwapHostI64ToBig
GSSwapHostI64ToLittle
GSSwapI128
GSSwapI16
GSSwapI32
GSSwapI64
GSSwapLittleI128ToHost
GSSwapLittleI16ToHost
GSSwapLittleI32ToHost
GSSwapLittleI64ToHost
GSUPurge
GSUSet
GSUnique
GSUniquing
GSUnregisterCurrentThread
NSAllHashTableObjects
NSAllMapTableKeys
NSAllMapTableValues
NSAllocateCollectable
NSAllocateMemoryPages
NSAllocateObject
NSClassFromString
NSCompareHashTables
NSCompareMapTables
NSContainsRect
NSConvertHostDoubleToSwapped
NSConvertHostFloatToSwapped
NSConvertSwappedDoubleToHost
NSConvertSwappedFloatToHost
NSCopyHashTableWithZone
NSCopyMapTableWithZone
NSCopyMemoryPages
NSCopyObject
NSCountFrames
NSCountHashTable
NSCountMapTable
NSCreateHashTable
NSCreateHashTableWithZone
NSCreateMapTable
NSCreateMapTableWithZone
NSCreateZone
NSDeallocateMemoryPages
NSDeallocateObject
NSDecimalAdd
NSDecimalCompact
NSDecimalCompare
NSDecimalCopy
NSDecimalDivide
NSDecimalDouble
NSDecimalFromComponents
NSDecimalFromString
NSDecimalIsNotANumber
NSDecimalMax
NSDecimalMin
NSDecimalMultiply
NSDecimalMultiplyByPowerOf10
NSDecimalNormalize
NSDecimalPower
NSDecimalRound
NSDecimalString
NSDecimalSubtract
NSDecrementExtraRefCountWasZero
NSDefaultMallocZone
NSDivideRect
NSEdgeInsetsEqual
NSEdgeInsetsMake
NSEndHashTableEnumeration
NSEndMapTableEnumeration
NSEnumerateHashTable
NSEnumerateMapTable
NSEqualPoints
NSEqualRanges
NSEqualRects
NSEqualSizes
NSExtraRefCount
NSFileTypeForHFSTypeCode
NSFrameAddress
NSFreeHashTable
NSFreeMapTable
NSFullUserName
NSGetSizeAndAlignment
NSGetUncaughtExceptionHandler
NSHFSTypeCodeFromFileType
NSHFSTypeOfFile
NSHashGet
NSHashInsert
NSHashInsertIfAbsent
NSHashInsertKnownAbsent
NSHashRemove
NSHeight
NSHomeDirectory
NSHomeDirectoryForUser
NSHostByteOrder
NSIncrementExtraRefCount
NSInsetRect
NSIntegralRect
NSIntegralRectWithOptions
NSIntersectionRange
NSIntersectionRect
NSIntersectsRect
NSIsEmptyRect
NSLocationInRange
NSLock_error_handler
NSLog
NSLogPageSize
NSLog_printf_handler
NSLogv
NSMakeCollectable
NSMakePoint
NSMakeRange
NSMakeRect
NSMakeSize
NSMapGet
NSMapInsert
NSMapInsertIfAbsent
NSMapInsertKnownAbsent
NSMapMember
NSMapRemove
NSMaxRange
NSMaxX
NSMaxY
NSMidX
NSMidY
NSMinX
NSMinY
NSMouseInRect
NSNextHashEnumeratorItem
NSNextMapEnumeratorPair
NSOffsetRect
NSOpenStepRootDirectory
NSPageSize
NSPointFromCGPoint
NSPointFromString
NSPointInRect
NSPointToCGPoint
NSProtocolFromString
NSRangeFromString
NSRealMemoryAvailable
NSReallocateCollectable
NSRectFromCGRect
NSRectFromString
NSRectToCGRect
NSRecycleZone
NSResetHashTable
NSResetMapTable
NSReturnAddress
NSRoundDownToMultipleOfPageSize
NSRoundUpToMultipleOfPageSize
NSSearchPathForDirectoriesInDomains
NSSelectorFromString
NSSetUncaughtExceptionHandler
NSSetZoneName
NSShouldRetainWithZone
NSSizeFromCGSize
NSSizeFromString
NSSizeToCGSize
NSStandardApplicationPaths
NSStandardLibraryPaths
NSStringFromClass
NSStringFromHashTable
NSStringFromMapTable
NSStringFromPoint
NSStringFromProtocol
NSStringFromRange
NSStringFromRect
NSStringFromSelector
NSStringFromSize
NSSwapBigDoubleToHost
NSSwapBigFloatToHost
NSSwapBigIntToHost
NSSwapBigLongLongToHost
NSSwapBigLongToHost
NSSwapBigShortToHost
NSSwapDouble
NSSwapFloat
NSSwapHostDoubleToBig
NSSwapHostDoubleToLittle
NSSwapHostFloatToBig
NSSwapHostFloatToLittle
NSSwapHostIntToBig
NSSwapHostIntToLittle
NSSwapHostLongLongToBig
NSSwapHostLongLongToLittle
NSSwapHostLongToBig
NSSwapHostLongToLittle
NSSwapHostShortToBig
NSSwapHostShortToLittle
NSSwapInt
NSSwapLittleDoubleToHost
NSSwapLittleFloatToHost
NSSwapLittleIntToHost
NSSwapLittleLongLongToHost
NSSwapLittleLongToHost
NSSwapLittleShortToHost
NSSwapLong
NSSwapLongLong
NSSwapShort
NSTemporaryDirectory
NSUncaughtExceptionHandler
NSUnionRange
NSUnionRect
NSUserName
NSWidth
NSZoneCalloc
NSZoneCheck
NSZoneFree
NSZoneFromPointer
NSZoneMalloc
NSZoneName
NSZoneRealloc
NSZoneStats
_NSAddHandler
_NSRangeExceptionRaise
_NSRemoveHandler
_gcc3_1_hack
gs_consumed

### Macros

FOUNDATION_EXPORT
GS_API_LATEST
GS_API_MACOSX
GS_API_NONE
GS_API_OPENSTEP
GS_API_OSSPEC
GS_API_VERSION
GS_CLANG_MINREQ
GS_DEPRECATED_FUNC
GS_EXPOSE
GS_GCC_MINREQ
GS_NORETURN_METHOD
GS_UNIMPLEMENTED
GS_UNUSED_ARG
GS_UNUSED_FUNC
GS_UNUSED_IVAR
MAC_OS_X_VERSION_MAX_ALLOWED
NSAssert
NSAssert1
NSAssert2
NSAssert3
NSAssert4
NSAssert5
NSCAssert
NSCAssert1
NSCAssert2
NSCAssert3
NSCAssert4
NSCAssert5
NSCParameterAssert
NSDecimalMaxDigit
NSDecimalMaxSize
NSDecimalNoScale
NSLocalizedString
NSLocalizedStringFromTable
NSLocalizedStringFromTableInBundle
NSParameterAssert
NS_AVAILABLE
NS_AVAILABLE_MAC
NS_CLASS_AVAILABLE
NS_CLASS_AVAILABLE_MAC
NS_CLASS_DEPRECATED
NS_CLASS_DEPRECATED_MAC
NS_CONSUMED
NS_CONSUMES_SELF
NS_DEPRECATED
NS_DEPRECATED_MAC
NS_DESIGNATED_INITIALIZER
NS_ENUM_AVAILABLE
NS_ENUM_AVAILABLE_MAC
NS_ENUM_DEPRECATED
NS_ENUM_DEPRECATED_MAC
NS_INVOCATION
NS_MESSAGE
NS_RETURNS_NOT_RETAINED
NS_RETURNS_RETAINED
NS_ROOT_CLASS
NS_UNAVAILABLE
OS_API_VERSION
__has_feature

### Types

GSDebugAllocationTraceFunction
GSFileWrapperType
GSRegexEnumerationCallback
NSActivityOptions
NSAlignmentOptions
NSAttributedStringKey
NSBackgroundActivityResult
NSBinarySearchingOptions
NSByteCountFormatterCountStyle
NSByteCountFormatterUnits
NSByteOrder
NSCalculationError
NSCalendarOptions
NSCalendarUnit
NSComparisonPredicateModifier
NSComparisonPredicateOptions
NSComparisonResult
NSCompoundPredicateType
NSDataBase64DecodingOptions
NSDataBase64EncodingOptions
NSDataSearchOptions
NSDateComponentsFormatterUnitsStyle
NSDateComponentsFormatterZeroFormattingBehavior
NSDateFormatterBehavior
NSDateFormatterStyle
NSDateIntervalFormatterStyle
NSDirectoryEnumerationOptions
NSEnergyFormatterUnit
NSEnumerationOptions
NSErrorDomain
NSExceptionName
NSExpressionType
NSFileCoordinatorReadingOptions
NSFileCoordinatorWritingOptions
NSFileVersionAddingOptions
NSFileVersionReplacingOptions
NSFileWrapperReadingOptions
NSFileWrapperWritingOptions
NSFormattingContext
NSFormattingUnitStyle
NSHTTPCookieAcceptPolicy
NSHashTableOptions
NSISO8601DateFormatOptions
NSInteger
NSItemProviderErrorCode
NSItemProviderFileOptions
NSItemProviderRepresentationVisibility
NSJSONReadingOptions
NSJSONWritingOptions
NSKeyValueChange
NSKeyValueChangeKey
NSKeyValueObservingOptions
NSKeyValueSetMutationKind
NSLengthFormatterUnit
NSLinguisticTag
NSLinguisticTagScheme
NSLinguisticTaggerOptions
NSLinguisticTaggerUnit
NSLocaleLanguageDirection
NSMapTableOptions
NSMapTableValueCallBacks
NSMassFormatterUnit
NSMatchingFlags
NSMatchingOptions
NSMeasurementFormatterUnitOptions
NSNetServiceOptions
NSNetServicesError
NSNotificationCoalescing
NSNotificationName
NSNotificationSuspensionBehavior
NSNumberFormatterBehavior
NSNumberFormatterPadPosition
NSNumberFormatterRoundingMode
NSNumberFormatterStyle
NSOperationQueuePriority
NSPersonNameComponentsFormatterOptions
NSPersonNameComponentsFormatterStyle
NSPoint
NSPointArray
NSPointPointer
NSPointerFunctionsOptions
NSPostingStyle
NSPredicateOperatorType
NSProgressFileOperationKind
NSProgressKind
NSProgressUserInfoKey
NSPropertyListFormat
NSPropertyListMutabilityOptions
NSPropertyListReadOptions
NSPropertyListWriteOptions
NSQualityOfService
NSRange
NSRangePointer
NSRect
NSRectArray
NSRectEdge
NSRectPointer
NSRegularExpressionOptions
NSRoundingMode
NSRunLoopMode
NSSearchPathDirectory
NSSearchPathDomainMask
NSSize
NSSizeArray
NSSizePointer
NSSocketNativeHandle
NSSortOptions
NSStreamEvent
NSStreamStatus
NSStringCompareOptions
NSStringEncoding
NSStringEncodingConversionOptions
NSStringEnumerationOptions
NSSwappedDouble
NSSwappedFloat
NSTaskTerminationReason
NSTextCheckingType
NSTextCheckingTypes
NSTimeInterval
NSTimeZoneNameStyle
NSUInteger
NSURLBookmarkResolutionOptions
NSURLCacheStoragePolicy
NSURLCredentialPersistence
NSURLHandleStatus
NSURLRequestCachePolicy
NSURLRequestNetworkServiceType
NSURLSessionAuthChallengeDisposition
NSURLSessionResponseDisposition
NSURLSessionTaskState
NSUserNotificationActivationType
NSXMLDTDNodeKind
NSXMLDocumentContentKind
NSXMLNodeKind
NSXMLParserError
NSXPCConnectionOptions
NSZone
OSType
RunLoopEventType
_NSObjCValueType
gid_t
gsuuid_t
pid_t
struct NSEdgeInsets
struct _NSHandler
struct _NSHashTableCallBacks
struct _NSMapTableKeyCallBacks
struct autorelease_array_list
struct autorelease_thread_vars
uid_t
unichar

### Variables

NSCocoaErrorDomain
NSDeallocateZombies
NSDebugEnabled
NSDefaultRunLoopMode
NSLinguisticTagAdjective
NSLinguisticTagAdverb
NSLinguisticTagClassifier
NSLinguisticTagCloseParenthesis
NSLinguisticTagCloseQuote
NSLinguisticTagConjunction
NSLinguisticTagDash
NSLinguisticTagDeterminer
NSLinguisticTagIdiom
NSLinguisticTagInterjection
NSLinguisticTagNoun
NSLinguisticTagNumber
NSLinguisticTagOpenParenthesis
NSLinguisticTagOpenQuote
NSLinguisticTagOrganizationName
NSLinguisticTagOther
NSLinguisticTagOtherPunctuation
NSLinguisticTagOtherWhitespace
NSLinguisticTagOtherWord
NSLinguisticTagParagraphBreak
NSLinguisticTagParticle
NSLinguisticTagPersonalName
NSLinguisticTagPlaceName
NSLinguisticTagPreposition
NSLinguisticTagPronoun
NSLinguisticTagPunctuation
NSLinguisticTagSchemeLanguage
NSLinguisticTagSchemeLemma
NSLinguisticTagSchemeLexicalClass
NSLinguisticTagSchemeNameType
NSLinguisticTagSchemeNameTypeOrLexicalClass
NSLinguisticTagSchemeScript
NSLinguisticTagSchemeTokenType
NSLinguisticTagSentenceTerminator
NSLinguisticTagVerb
NSLinguisticTagWhitespace
NSLinguisticTagWord
NSLinguisticTagWordJoiner
NSMACHErrorDomain
NSOSStatusErrorDomain
NSPOSIXErrorDomain
NSRunLoopCommonModes
NSZombieEnabled
_NSConstantStringClassReference
_NSLock_error_handler
_NSLogDescriptor
_NSLog_printf_handler
enum _NSDirectoryEnumerationOptions
struct NSZoneStats
struct _NSMapTableValueCallBacks
struct _NSNotificationQueueList
struct _NSRange

Up

# NSUnit documentation

### Authors

Gregory John Casamento (`greg.casamento@gmail.com`)

Date: Generated at 2025-09-10 09:16:48 +0000

Copyright: (C) 2019 Free Software Foundation, Inc.

### Contents -

1. Software documentation for the NSDimension class
2. Software documentation for the NSUnit class
3. Software documentation for the NSUnitAcceleration class
4. Software documentation for the NSUnitAngle class
5. Software documentation for the NSUnitArea class
6. Software documentation for the NSUnitConcentrationMass class
7. Software documentation for the NSUnitConverter class
8. Software documentation for the NSUnitConverterLinear class
9. Software documentation for the NSUnitDispersion class
10. Software documentation for the NSUnitDuration class
11. Software documentation for the NSUnitElectricCharge class
12. Software documentation for the NSUnitElectricCurrent class
13. Software documentation for the NSUnitElectricPotentialDifference class
14. Software documentation for the NSUnitElectricResistance class
15. Software documentation for the NSUnitEnergy class
16. Software documentation for the NSUnitFrequency class
17. Software documentation for the NSUnitFuelEfficiency class
18. Software documentation for the NSUnitIlluminance class
19. Software documentation for the NSUnitLength class
20. Software documentation for the NSUnitMass class
21. Software documentation for the NSUnitPower class
22. Software documentation for the NSUnitPressure class
23. Software documentation for the NSUnitSpeed class
24. Software documentation for the NSUnitTemperature class
25. Software documentation for the NSUnitVolume class

# Software documentation for the NSDimension class

## NSDimension : NSUnit

> Declared in:
>   Foundation/NSUnit.h

> Conforms to:
>   NSCoding

Availability: MacOS-X 10.12.0
Dimension using units....

Instance Variables

### Method summary

- +baseUnit
- -converter
- -initWithSymbol:converter:

### baseUnit

+ (instancetype) baseUnit;
Availability: MacOS-X 10.12.0
Return a base unit.

### converter

- (NSUnitConverter*) converter;
Availability: MacOS-X 10.12.0
The NSUnitConverter instance used for this NSDimension object.

### initWithSymbol: converter:

- (instancetype) initWithSymbol: (NSString*)symbol converter: (NSUnitConverter*)converter;
Availability: MacOS-X 10.12.0
Initialize with symbol and an NSUnitConverter.

## Instance Variables for NSDimension Class

### _converter

@protected NSUnitConverter* _converter;
Availability: MacOS-X 10.12.0
Warning the underscore at the start of the name of this instance variable indicates that, even though it is not technically private, it is intended for internal use within the package, and you should not use the variable in other code.

### _value

@protected double _value;
Availability: MacOS-X 10.12.0
Warning the underscore at the start of the name of this instance variable indicates that, even though it is not technically private, it is intended for internal use within the package, and you should not use the variable in other code.

# Software documentation for the NSUnit class

## NSUnit : NSObject

> Declared in:
>   Foundation/NSUnit.h

> Conforms to:
>   NSCoding
>   NSCopying

Availability: MacOS-X 10.12.0
Units... abstract...

Instance Variables

### Method summary

- -init
- -initWithSymbol:
- -symbol

### init

- (instancetype) init;
Availability: MacOS-X 10.12.0
Initialize an NSUnit instance.

### initWithSymbol:

- (instancetype) initWithSymbol: (NSString*)symbol;
Availability: MacOS-X 10.12.0
Initialize NSUnit with a given symbol .

### symbol

- (NSString*) symbol;
Availability: MacOS-X 10.12.0
The symbol used by a given unit.

## Instance Variables for NSUnit Class

### _symbol

@protected NSString* _symbol;
Availability: MacOS-X 10.12.0
Warning the underscore at the start of the name of this instance variable indicates that, even though it is not technically private, it is intended for internal use within the package, and you should not use the variable in other code.

# Software documentation for the NSUnitAcceleration class

## NSUnitAcceleration : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of accelleration. Base unit - metersPerSecondSquared

### Method summary

- +gravity
- +metersPerSecondSquared

### gravity

+ (NSUnitAcceleration*) gravity;
Availability: MacOS-X 10.12.0
Units of accelleration equal to the gravitational constant.

### metersPerSecondSquared

+ (NSUnitAcceleration*) metersPerSecondSquared;
Availability: MacOS-X 10.12.0
Units of accelleration in meters per second squared.

# Software documentation for the NSUnitAngle class

## NSUnitAngle : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Angle units. Base unit - degrees

### Method summary

- +arcMinutes
- +arcSeconds
- +degrees
- +gradians
- +radians
- +revolutions

### arcMinutes

+ (NSUnitAngle*) arcMinutes;
Availability: MacOS-X 10.12.0
Units of angle in arc minutes.

### arcSeconds

+ (NSUnitAngle*) arcSeconds;
Availability: MacOS-X 10.12.0
Units of angle arc seconds.

### degrees

+ (NSUnitAngle*) degrees;
Availability: MacOS-X 10.12.0
Units of angle in degrees.

### gradians

+ (NSUnitAngle*) gradians;
Availability: MacOS-X 10.12.0
Units of area in square megameters.

### radians

+ (NSUnitAngle*) radians;
Availability: MacOS-X 10.12.0
Units of angle in radians.

### revolutions

+ (NSUnitAngle*) revolutions;
Availability: MacOS-X 10.12.0
Units of area in square megameters.

# Software documentation for the NSUnitArea class

## NSUnitArea : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of area. Base unit - squareMeters

### Method summary

- +acres
- +ares
- +hectares
- +squareCentimeters
- +squareFeet
- +squareInches
- +squareKilometers
- +squareMegameters
- +squareMeters
- +squareMicrometers
- +squareMiles
- +squareMillimeters
- +squareNanometers
- +squareYards

### acres

+ (NSUnitArea*) acres;
Availability: MacOS-X 10.12.0
Units of area in acres/

### ares

+ (NSUnitArea*) ares;
Availability: MacOS-X 10.12.0
Units of area in ares.

### hectares

+ (NSUnitArea*) hectares;
Availability: MacOS-X 10.12.0
Units of area in hectares.

### squareCentimeters

+ (NSUnitArea*) squareCentimeters;
Availability: MacOS-X 10.12.0
Units of area in square centimeters.

### squareFeet

+ (NSUnitArea*) squareFeet;
Availability: MacOS-X 10.12.0
Units of area in square feet.

### squareInches

+ (NSUnitArea*) squareInches;
Availability: MacOS-X 10.12.0
Units of area in square inches.

### squareKilometers

+ (NSUnitArea*) squareKilometers;
Availability: MacOS-X 10.12.0
Units of area in square kilometers.

### squareMegameters

+ (NSUnitArea*) squareMegameters;
Availability: MacOS-X 10.12.0
Units of area in square megameters.

### squareMeters

+ (NSUnitArea*) squareMeters;
Availability: MacOS-X 10.12.0
Units of area in square meters.

### squareMicrometers

+ (NSUnitArea*) squareMicrometers;
Availability: MacOS-X 10.12.0
Units of area in square micrometers.

### squareMiles

+ (NSUnitArea*) squareMiles;
Availability: MacOS-X 10.12.0
Units of area in square miles.

### squareMillimeters

+ (NSUnitArea*) squareMillimeters;
Availability: MacOS-X 10.12.0
Units of area in square millimeters.

### squareNanometers

+ (NSUnitArea*) squareNanometers;
Availability: MacOS-X 10.12.0
Units of area in square nanometers.

### squareYards

+ (NSUnitArea*) squareYards;
Availability: MacOS-X 10.12.0
Units of area in square yards.

# Software documentation for the NSUnitConcentrationMass class

## NSUnitConcentrationMass : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of concentration. Base unit - gramsPerLiter.

### Method summary

- +gramsPerLiter
- +milligramsPerDeciliter
- +millimolesPerLiterWithGramsPerMole:

### gramsPerLiter

+ (NSUnitConcentrationMass*) gramsPerLiter;
Availability: MacOS-X 10.12.0
Concentration units in grams per liter.

### milligramsPerDeciliter

+ (NSUnitConcentrationMass*) milligramsPerDeciliter;
Availability: MacOS-X 10.12.0
Concentration units in milligrams per deciliter.

### millimolesPerLiterWithGramsPerMole:

+ (NSUnitConcentrationMass*) millimolesPerLiterWithGramsPerMole: (double)gramsPerMole;
Availability: MacOS-X 10.12.0
Concentration units in grams per mole.

# Software documentation for the NSUnitConverter class

## NSUnitConverter : NSObject

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Unit converter. This is an abstract class.

### Method summary

- -baseUnitValueFromValue:
- -valueFromBaseUnitValue:

### baseUnitValueFromValue:

- (double) baseUnitValueFromValue: (double)value;
Availability: MacOS-X 10.12.0
For a given unit, returns the specified value of that unit based on the units dimension.

### valueFromBaseUnitValue:

- (double) valueFromBaseUnitValue: (double)baseUnitValue;
Availability: MacOS-X 10.12.0
For a unit, returns the specified value of the base unit in terms of that unit.

# Software documentation for the NSUnitConverterLinear class

## NSUnitConverterLinear : NSUnitConverter

> Declared in:
>   Foundation/NSUnit.h

> Conforms to:
>   NSCoding

Availability: MacOS-X 10.12.0
Linear converter... for things like C to F conversion...

Instance Variables

### Method summary

- -coefficient
- -constant
- -initWithCoefficient:
- -initWithCoefficient:constant:

### coefficient

- (double) coefficient;
Availability: MacOS-X 10.12.0
Return the coefficient.

### constant

- (double) constant;
Availability: MacOS-X 10.12.0
Return the constant.

### initWithCoefficient:

- (instancetype) initWithCoefficient: (double)coefficient;
Availability: MacOS-X 10.12.0
Initialize with the coefficient.

### initWithCoefficient: constant:

- (instancetype) initWithCoefficient: (double)coefficient constant: (double)constant;
Availability: MacOS-X 10.12.0
Initialize with the coefficient and constant.

## Instance Variables for NSUnitConverterLinear Class

### _coefficient

@protected double _coefficient;
Availability: MacOS-X 10.12.0
Warning the underscore at the start of the name of this instance variable indicates that, even though it is not technically private, it is intended for internal use within the package, and you should not use the variable in other code.

### _constant

@protected double _constant;
Availability: MacOS-X 10.12.0
Warning the underscore at the start of the name of this instance variable indicates that, even though it is not technically private, it is intended for internal use within the package, and you should not use the variable in other code.

# Software documentation for the NSUnitDispersion class

## NSUnitDispersion : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of dispersion. Base unit - partsPerMillion

### Method summary

- +partsPerMillion

### partsPerMillion

+ (NSUnitDispersion*) partsPerMillion;
Availability: MacOS-X 10.12.0
Units of dispersion in parts per million.

# Software documentation for the NSUnitDuration class

## NSUnitDuration : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of duration. Base unit - seconds

### Method summary

- +hours
- +minutes
- +seconds

### hours

+ (NSUnitDuration*) hours;
Availability: MacOS-X 10.12.0
Units of duration in hours.

### minutes

+ (NSUnitDuration*) minutes;
Availability: MacOS-X 10.12.0
Units of duration in minutes.

### seconds

+ (NSUnitDuration*) seconds;
Availability: MacOS-X 10.12.0
Units of duration in seconds.

# Software documentation for the NSUnitElectricCharge class

## NSUnitElectricCharge : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of electric charge. Base unit - coulombs

### Method summary

- +ampereHours
- +coulombs
- +kiloampereHours
- +megaampereHours
- +microampereHours
- +milliampereHours

### ampereHours

+ (NSUnitElectricCharge*) ampereHours;
Availability: MacOS-X 10.12.0
The units of eletric charge in ampere hours.

### coulombs

+ (NSUnitElectricCharge*) coulombs;
Availability: MacOS-X 10.12.0
The units of eletric charge in coulombs.

### kiloampereHours

+ (NSUnitElectricCharge*) kiloampereHours;
Availability: MacOS-X 10.12.0
The units of eletric charge in kiloampere hours.

### megaampereHours

+ (NSUnitElectricCharge*) megaampereHours;
Availability: MacOS-X 10.12.0
The units of eletric charge in megaampere hours.

### microampereHours

+ (NSUnitElectricCharge*) microampereHours;
Availability: MacOS-X 10.12.0
The units of eletric charge in microampere hours.

### milliampereHours

+ (NSUnitElectricCharge*) milliampereHours;
Availability: MacOS-X 10.12.0
The units of eletric charge in milliampere hours.

# Software documentation for the NSUnitElectricCurrent class

## NSUnitElectricCurrent : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of electric current. Base unit - amperes

### Method summary

- +amperes
- +kiloamperes
- +megaamperes
- +microamperes
- +milliamperes

### amperes

+ (NSUnitElectricCurrent*) amperes;
Availability: MacOS-X 10.12.0
The units of eletric current in amperes.

### kiloamperes

+ (NSUnitElectricCurrent*) kiloamperes;
Availability: MacOS-X 10.12.0
The units of eletric current in kiloamperes.

### megaamperes

+ (NSUnitElectricCurrent*) megaamperes;
Availability: MacOS-X 10.12.0
The units of eletric current in megaamperes.

### microamperes

+ (NSUnitElectricCurrent*) microamperes;
Availability: MacOS-X 10.12.0
The units of eletric current in microamperes.

### milliamperes

+ (NSUnitElectricCurrent*) milliamperes;
Availability: MacOS-X 10.12.0
The units of eletric current in milliamperes.

# Software documentation for the NSUnitElectricPotentialDifference class

## NSUnitElectricPotentialDifference : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of electric potential. Base unit - volts

### Method summary

- +kilovolts
- +megavolts
- +microvolts
- +millivolts
- +volts

### kilovolts

+ (NSUnitElectricPotentialDifference*) kilovolts;
Availability: MacOS-X 10.12.0
The units of eletric potential in kilovolts.

### megavolts

+ (NSUnitElectricPotentialDifference*) megavolts;
Availability: MacOS-X 10.12.0
The units of eletric potential in megavolts.

### microvolts

+ (NSUnitElectricPotentialDifference*) microvolts;
Availability: MacOS-X 10.12.0
The units of eletric potential in microvolts.

### millivolts

+ (NSUnitElectricPotentialDifference*) millivolts;
Availability: MacOS-X 10.12.0
The units of eletric potential in millivolts.

### volts

+ (NSUnitElectricPotentialDifference*) volts;
Availability: MacOS-X 10.12.0
The units of eletric potential in volts.

# Software documentation for the NSUnitElectricResistance class

## NSUnitElectricResistance : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of electric resistance. Base unit - ohms

### Method summary

- +kiloohms
- +megaohms
- +microohms
- +milliohms
- +ohms

### kiloohms

+ (NSUnitElectricResistance*) kiloohms;
Availability: MacOS-X 10.12.0
The units of eletric resistance in kiloohms.

### megaohms

+ (NSUnitElectricResistance*) megaohms;
Availability: MacOS-X 10.12.0
The units of eletric resistance in megaohms.

### microohms

+ (NSUnitElectricResistance*) microohms;
Availability: MacOS-X 10.12.0
The units of eletric resistance in microohms.

### milliohms

+ (NSUnitElectricResistance*) milliohms;
Availability: MacOS-X 10.12.0
The units of eletric resistance in milliohms.

### ohms

+ (NSUnitElectricResistance*) ohms;
Availability: MacOS-X 10.12.0
The units of eletric resistance in ohms.

# Software documentation for the NSUnitEnergy class

## NSUnitEnergy : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of Energy. Base unit - joules

### Method summary

- +calories
- +joules
- +kilocalories
- +kilojoules
- +kilowattHours

### calories

+ (NSUnitEnergy*) calories;
Availability: MacOS-X 10.12.0
The units of energy in calories.

### joules

+ (NSUnitEnergy*) joules;
Availability: MacOS-X 10.12.0
The units of energy in joules.

### kilocalories

+ (NSUnitEnergy*) kilocalories;
Availability: MacOS-X 10.12.0
The units of energy in kilocalories.

### kilojoules

+ (NSUnitEnergy*) kilojoules;
Availability: MacOS-X 10.12.0
The units of energy in kilojoules.

### kilowattHours

+ (NSUnitEnergy*) kilowattHours;
Availability: MacOS-X 10.12.0
The units of energy in kilawatt hours.

# Software documentation for the NSUnitFrequency class

## NSUnitFrequency : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of frequency. Base unit - hertz

### Method summary

- +gigahertz
- +hertz
- +kilohertz
- +megahertz
- +microhertz
- +millihertz
- +nanohertz
- +terahertz

### gigahertz

+ (NSUnitFrequency*) gigahertz;
Availability: MacOS-X 10.12.0
The units of frequency in gigahertz.

### hertz

+ (NSUnitFrequency*) hertz;
Availability: MacOS-X 10.12.0
The units of frequency in hertz.

### kilohertz

+ (NSUnitFrequency*) kilohertz;
Availability: MacOS-X 10.12.0
The units of frequency in kilohertz.

### megahertz

+ (NSUnitFrequency*) megahertz;
Availability: MacOS-X 10.12.0
The units of frequency in megahertz.

### microhertz

+ (NSUnitFrequency*) microhertz;
Availability: MacOS-X 10.12.0
The units of frequency in microhertz.

### millihertz

+ (NSUnitFrequency*) millihertz;
Availability: MacOS-X 10.12.0
The units of frequency in millihertz.

### nanohertz

+ (NSUnitFrequency*) nanohertz;
Availability: MacOS-X 10.12.0
The units of frequency in nanohertz.

### terahertz

+ (NSUnitFrequency*) terahertz;
Availability: MacOS-X 10.12.0
The units of frequency in terahertz.

# Software documentation for the NSUnitFuelEfficiency class

## NSUnitFuelEfficiency : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of fuel efficiency. Base unit - litersPer100Kilometers

### Method summary

- +litersPer100Kilometers
- +milesPerGallon
- +milesPerImperialGallon

### litersPer100Kilometers

+ (NSUnitFuelEfficiency*) litersPer100Kilometers;
Availability: MacOS-X 10.12.0
The units of fuel efficiency in liters per 100 kilometers.

### milesPerGallon

+ (NSUnitFuelEfficiency*) milesPerGallon;
Availability: MacOS-X 10.12.0
The units of fuel efficiency in miles per gallon.

### milesPerImperialGallon

+ (NSUnitFuelEfficiency*) milesPerImperialGallon;
Availability: MacOS-X 10.12.0
The units of fuel efficiency in miles per imperial gallon.

# Software documentation for the NSUnitIlluminance class

## NSUnitIlluminance : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of illumination. Base unit - lux

### Method summary

- +lux

### lux

+ (NSUnitIlluminance*) lux;
Availability: MacOS-X 10.12.0
The units of illuminance in lux.

# Software documentation for the NSUnitLength class

## NSUnitLength : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of length. Base unit - meters

### Method summary

- +astronomicalUnits
- +centimeters
- +decameters
- +decimeters
- +fathoms
- +feet
- +furlongs
- +hectometers
- +inches
- +kilometers
- +lightyears
- +megameters
- +meters
- +micrometers
- +miles
- +millimeters
- +nanometers
- +nauticalMiles
- +parsecs
- +picometers
- +scandinavianMiles
- +yards

### astronomicalUnits

+ (NSUnitLength*) astronomicalUnits;
Availability: MacOS-X 10.12.0
The units of length in astronomical units.

### centimeters

+ (NSUnitLength*) centimeters;
Availability: MacOS-X 10.12.0
The units of length in centimeters.

### decameters

+ (NSUnitLength*) decameters;
Availability: MacOS-X 10.12.0
The units of length in decameters.

### decimeters

+ (NSUnitLength*) decimeters;
Availability: MacOS-X 10.12.0
The units of length in decimeters.

### fathoms

+ (NSUnitLength*) fathoms;
Availability: MacOS-X 10.12.0
The units of length in fathoms.

### feet

+ (NSUnitLength*) feet;
Availability: MacOS-X 10.12.0
The units of length in feet.

### furlongs

+ (NSUnitLength*) furlongs;
Availability: MacOS-X 10.12.0
The units of length in furlongs.

### hectometers

+ (NSUnitLength*) hectometers;
Availability: MacOS-X 10.12.0
The units of length in hectometers.

### inches

+ (NSUnitLength*) inches;
Availability: MacOS-X 10.12.0
The units of length in inches.

### kilometers

+ (NSUnitLength*) kilometers;
Availability: MacOS-X 10.12.0
The units of length in kilometers.

### lightyears

+ (NSUnitLength*) lightyears;
Availability: MacOS-X 10.12.0
The units of length in light years.

### megameters

+ (NSUnitLength*) megameters;
Availability: MacOS-X 10.12.0
The units of length in megameters.

### meters

+ (NSUnitLength*) meters;
Availability: MacOS-X 10.12.0
The units of length in meters.

### micrometers

+ (NSUnitLength*) micrometers;
Availability: MacOS-X 10.12.0
The units of length in micrometers.

### miles

+ (NSUnitLength*) miles;
Availability: MacOS-X 10.12.0
The units of length in miles.

### millimeters

+ (NSUnitLength*) millimeters;
Availability: MacOS-X 10.12.0
The units of length in millimeters.

### nanometers

+ (NSUnitLength*) nanometers;
Availability: MacOS-X 10.12.0
The units of length in nanometers.

### nauticalMiles

+ (NSUnitLength*) nauticalMiles;
Availability: MacOS-X 10.12.0
The units of length in nautical miles.

### parsecs

+ (NSUnitLength*) parsecs;
Availability: MacOS-X 10.12.0
The units of length in parsecs.

### picometers

+ (NSUnitLength*) picometers;
Availability: MacOS-X 10.12.0
The units of length in picometers.

### scandinavianMiles

+ (NSUnitLength*) scandinavianMiles;
Availability: MacOS-X 10.12.0
The units of length in scandanavian miles.

### yards

+ (NSUnitLength*) yards;
Availability: MacOS-X 10.12.0
The units of length in yards.

# Software documentation for the NSUnitMass class

## NSUnitMass : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Units of mass. Base unit - kilograms

### Method summary

- +carats
- +centigrams
- +decigrams
- +grams
- +kilograms
- +metricTons
- +micrograms
- +milligrams
- +nanograms
- +ounces
- +ouncesTroy
- +picograms
- +pounds
- +shortTons
- +slugs
- +stones

### carats

+ (NSUnitMass*) carats;
Availability: MacOS-X 10.12.0
The mass units in carats.

### centigrams

+ (NSUnitMass*) centigrams;
Availability: MacOS-X 10.12.0
The mass units in centigrams.

### decigrams

+ (NSUnitMass*) decigrams;
Availability: MacOS-X 10.12.0
The mass units in decigrams.

### grams

+ (NSUnitMass*) grams;
Availability: MacOS-X 10.12.0
The mass units in grams.

### kilograms

+ (NSUnitMass*) kilograms;
Availability: MacOS-X 10.12.0
The mass units in kilograms.

### metricTons

+ (NSUnitMass*) metricTons;
Availability: MacOS-X 10.12.0
The mass units in metric tons.

### micrograms

+ (NSUnitMass*) micrograms;
Availability: MacOS-X 10.12.0
The mass units in micrograms.

### milligrams

+ (NSUnitMass*) milligrams;
Availability: MacOS-X 10.12.0
The mass units in milligrams.

### nanograms

+ (NSUnitMass*) nanograms;
Availability: MacOS-X 10.12.0
The mass units in nanograms.

### ounces

+ (NSUnitMass*) ounces;
Availability: MacOS-X 10.12.0
The mass units in ounces.

### ouncesTroy

+ (NSUnitMass*) ouncesTroy;
Availability: MacOS-X 10.12.0
The mass units in ounces troy.

### picograms

+ (NSUnitMass*) picograms;
Availability: MacOS-X 10.12.0
The mass units in picograms.

### pounds

+ (NSUnitMass*) pounds;
Availability: MacOS-X 10.12.0
The mass units in pounds.

### shortTons

+ (NSUnitMass*) shortTons;
Availability: MacOS-X 10.12.0
The mass units in short tons.

### slugs

+ (NSUnitMass*) slugs;
Availability: MacOS-X 10.12.0
The mass units in slugs.

### stones

+ (NSUnitMass*) stones;
Availability: MacOS-X 10.12.0
The mass units in stones.

# Software documentation for the NSUnitPower class

## NSUnitPower : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Used to represent power. Base unit - watts

### Method summary

- +femtowatts
- +gigawatts
- +horsepower
- +kilowatts
- +megawatts
- +microwatts
- +milliwatts
- +nanowatts
- +picowatts
- +terawatts
- +watts

### femtowatts

+ (NSUnitPower*) femtowatts;
Availability: MacOS-X 10.12.0
The power units in femtowatts.

### gigawatts

+ (NSUnitPower*) gigawatts;
Availability: MacOS-X 10.12.0
The power units in gigawatts.

### horsepower

+ (NSUnitPower*) horsepower;
Availability: MacOS-X 10.12.0
The power units in horsepower.

### kilowatts

+ (NSUnitPower*) kilowatts;
Availability: MacOS-X 10.12.0
The power units in kilowatts.

### megawatts

+ (NSUnitPower*) megawatts;
Availability: MacOS-X 10.12.0
The power units in megawatts.

### microwatts

+ (NSUnitPower*) microwatts;
Availability: MacOS-X 10.12.0
The power units in microwatts.

### milliwatts

+ (NSUnitPower*) milliwatts;
Availability: MacOS-X 10.12.0
The power units in milliwatts.

### nanowatts

+ (NSUnitPower*) nanowatts;
Availability: MacOS-X 10.12.0
The power units in nanowatts.

### picowatts

+ (NSUnitPower*) picowatts;
Availability: MacOS-X 10.12.0
The power units in picowatts.

### terawatts

+ (NSUnitPower*) terawatts;
Availability: MacOS-X 10.12.0
The power units in terawatts.

### watts

+ (NSUnitPower*) watts;
Availability: MacOS-X 10.12.0
The power units in watts.

# Software documentation for the NSUnitPressure class

## NSUnitPressure : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Used to represent pressure. Base unit - newtonsPerMetersSquared (equivalent to 1 pascal)

### Method summary

- +bars
- +gigapascals
- +hectopascals
- +inchesOfMercury
- +kilopascals
- +megapascals
- +millibars
- +millimetersOfMercury
- +newtonsPerMetersSquared
- +poundsForcePerSquareInch

### bars

+ (NSUnitPressure*) bars;
Availability: MacOS-X 10.12.0
The bars unit of pressure.

### gigapascals

+ (NSUnitPressure*) gigapascals;
Availability: MacOS-X 10.12.0
The gigapascals unit of pressure.

### hectopascals

+ (NSUnitPressure*) hectopascals;
Availability: MacOS-X 10.12.0
The hetcopascals unit of pressure.

### inchesOfMercury

+ (NSUnitPressure*) inchesOfMercury;
Availability: MacOS-X 10.12.0
The inches of mercury unit of pressure.

### kilopascals

+ (NSUnitPressure*) kilopascals;
Availability: MacOS-X 10.12.0
The kilopascals unit of pressure.

### megapascals

+ (NSUnitPressure*) megapascals;
Availability: MacOS-X 10.12.0
The megapascals unit of pressure.

### millibars

+ (NSUnitPressure*) millibars;
Availability: MacOS-X 10.12.0
The millibars unit of pressure.

### millimetersOfMercury

+ (NSUnitPressure*) millimetersOfMercury;
Availability: MacOS-X 10.12.0
The millimeters of mercury of pressure.

### newtonsPerMetersSquared

+ (NSUnitPressure*) newtonsPerMetersSquared;
Availability: MacOS-X 10.12.0
The newtons per meters squared unit of pressure.

### poundsForcePerSquareInch

+ (NSUnitPressure*) poundsForcePerSquareInch;
Availability: MacOS-X 10.12.0
The pounds of per square inch of pressure.

# Software documentation for the NSUnitSpeed class

## NSUnitSpeed : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Used to represent speed. Base unit is meters per second.

### Method summary

- +kilometersPerHour
- +knots
- +metersPerSecond
- +milesPerHour

### kilometersPerHour

+ (NSUnitSpeed*) kilometersPerHour;
Availability: MacOS-X 10.12.0
The kilometers per hour measurement of speed.

### knots

+ (NSUnitSpeed*) knots;
Availability: MacOS-X 10.12.0
The knots measurement of speed.

### metersPerSecond

+ (NSUnitSpeed*) metersPerSecond;
Availability: MacOS-X 10.12.0
The meters per second measurement of speed.

### milesPerHour

+ (NSUnitSpeed*) milesPerHour;
Availability: MacOS-X 10.12.0
The miles per hour measurement of speed.

# Software documentation for the NSUnitTemperature class

## NSUnitTemperature : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Used to represent temperature quantities. The base unit of this class is kelvin.

### Method summary

- +celsius
- +fahrenheit
- +kelvin

### celsius

+ (NSUnitTemperature*) celsius;
Availability: MacOS-X 10.12.0
The kelvin unit of celsius.

### fahrenheit

+ (NSUnitTemperature*) fahrenheit;
Availability: MacOS-X 10.12.0
The kelvin unit of fahenheit.

### kelvin

+ (NSUnitTemperature*) kelvin;
Availability: MacOS-X 10.12.0
The kelvin unit of temperature.

# Software documentation for the NSUnitVolume class

## NSUnitVolume : NSDimension

> Declared in:
>   Foundation/NSUnit.h

Availability: MacOS-X 10.12.0
Typically this is used to represent specific quantities. The base unit of this class is liters.

### Method summary

- +acreFeet
- +bushels
- +centiliters
- +cubicCentimeters
- +cubicDecimeters
- +cubicFeet
- +cubicInches
- +cubicKilometers
- +cubicMeters
- +cubicMiles
- +cubicMillimeters
- +cubicYards
- +cups
- +deciliters
- +fluidOunces
- +gallons
- +imperialFluidOunces
- +imperialGallons
- +imperialPints
- +imperialQuarts
- +imperialTablespoons
- +imperialTeaspoons
- +kiloliters
- +liters
- +megaliters
- +metricCups
- +milliliters
- +pints
- +quarts
- +tablespoons
- +teaspoons

### acreFeet

+ (NSUnitVolume*) acreFeet;
Availability: MacOS-X 10.12.0
The acre feet unit of volume.

### bushels

+ (NSUnitVolume*) bushels;
Availability: MacOS-X 10.12.0
The bushels unit of volume.

### centiliters

+ (NSUnitVolume*) centiliters;
Availability: MacOS-X 10.12.0
The centiliters unit of volume.

### cubicCentimeters

+ (NSUnitVolume*) cubicCentimeters;
Availability: MacOS-X 10.12.0
The cubic centimeteres unit of volume.

### cubicDecimeters

+ (NSUnitVolume*) cubicDecimeters;
Availability: MacOS-X 10.12.0
The cubic decimeters unit of volume.

### cubicFeet

+ (NSUnitVolume*) cubicFeet;
Availability: MacOS-X 10.12.0
The cubic feet unit of volume.

### cubicInches

+ (NSUnitVolume*) cubicInches;
Availability: MacOS-X 10.12.0
The cubic inches unit of volume.

### cubicKilometers

+ (NSUnitVolume*) cubicKilometers;
Availability: MacOS-X 10.12.0
The cubic kilometers unit of volume.

### cubicMeters

+ (NSUnitVolume*) cubicMeters;
Availability: MacOS-X 10.12.0
The cubic meters unit of volume.

### cubicMiles

+ (NSUnitVolume*) cubicMiles;
Availability: MacOS-X 10.12.0
The cubic miles unit of volume.

### cubicMillimeters

+ (NSUnitVolume*) cubicMillimeters;
Availability: MacOS-X 10.12.0
The cubic millimeters unit of volume.

### cubicYards

+ (NSUnitVolume*) cubicYards;
Availability: MacOS-X 10.12.0
The cubic yards unit of volume.

### cups

+ (NSUnitVolume*) cups;
Availability: MacOS-X 10.12.0
The cups unit of volume.

### deciliters

+ (NSUnitVolume*) deciliters;
Availability: MacOS-X 10.12.0
The deciliters unit of volume.

### fluidOunces

+ (NSUnitVolume*) fluidOunces;
Availability: MacOS-X 10.12.0
The fluid ounces unit of volume.

### gallons

+ (NSUnitVolume*) gallons;
Availability: MacOS-X 10.12.0
The gallons unit of volume.

### imperialFluidOunces

+ (NSUnitVolume*) imperialFluidOunces;
Availability: MacOS-X 10.12.0
The imperial fluid ounces unit of volume.

### imperialGallons

+ (NSUnitVolume*) imperialGallons;
Availability: MacOS-X 10.12.0
The imperial gallons unit of volume.

### imperialPints

+ (NSUnitVolume*) imperialPints;
Availability: MacOS-X 10.12.0
The imperial pints unit of volume.

### imperialQuarts

+ (NSUnitVolume*) imperialQuarts;
Availability: MacOS-X 10.12.0
The imperial quarts unit of volume.

### imperialTablespoons

+ (NSUnitVolume*) imperialTablespoons;
Availability: MacOS-X 10.12.0
The imperial tablespoons unit of volume.

### imperialTeaspoons

+ (NSUnitVolume*) imperialTeaspoons;
Availability: MacOS-X 10.12.0
The imperial teaspoons unit of volume.

### kiloliters

+ (NSUnitVolume*) kiloliters;
Availability: MacOS-X 10.12.0
The kiloliters unit of volume.

### liters

+ (NSUnitVolume*) liters;
Availability: MacOS-X 10.12.0
The liters unit of volume.

### megaliters

+ (NSUnitVolume*) megaliters;
Availability: MacOS-X 10.12.0
The megaliters unit of volume.

### metricCups

+ (NSUnitVolume*) metricCups;
Availability: MacOS-X 10.12.0
The metric cups unit of volume.

### milliliters

+ (NSUnitVolume*) milliliters;
Availability: MacOS-X 10.12.0
The milliliters unit of volume.

### pints

+ (NSUnitVolume*) pints;
Availability: MacOS-X 10.12.0
The pints unit of volume.

### quarts

+ (NSUnitVolume*) quarts;
Availability: MacOS-X 10.12.0
The quarts unit of volume.

### tablespoons

+ (NSUnitVolume*) tablespoons;
Availability: MacOS-X 10.12.0
The tablespoons unit of volume.

### teaspoons

+ (NSUnitVolume*) teaspoons;
Availability: MacOS-X 10.12.0
The teaspoons unit of volume.

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