Here is a list of all documented class members with links to the class documentation for each member:

### - u -

- unended_function : ParseOptions
- unicode : ExpressionName
- unicodeName() : Prefix
- units_enabled : ParseOptions
- unknowns_enabled : ParseOptions
- UnknownVariable() : UnknownVariable
- unlocalizeExpression() : Calculator
- unsetLocale() : Calculator
- use_all_prefixes : PrintOptions
- use_denominator_prefix : PrintOptions
- use_max_decimals : PrintOptions
- use_min_decimals : PrintOptions
- use_prefixes_for_all_units : PrintOptions
- use_prefixes_for_currencies : PrintOptions
- use_reference_names : PrintOptions
- use_unicode_signs : PrintOptions
- use_unit_prefixes : PrintOptions
- useDecimalPoint() : Calculator
- useIntervalArithmetic() : Calculator
- usesIntervalArithmetic() : Calculator
- useWithPrefixesByDefault() : Unit