[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] | Reference for unit 'CalcForm' (#lcl)

# Reference for unit 'CalcForm'

Contains classes and types used in TCalculatorForm.

`uses`
`Classes,`
`SysUtils,`
`LazUtilities,`
`Forms,` |  | Implements Forms which are the basis for the LCL Graphical User Interface.
`Controls,` |  | Contains types, constants, classes, and routines used to implement visual controls.
`Graphics,` |  |
`StdCtrls,` |  | Standard controls used in the Lazarus Component Library (LCL).
`ExtCtrls,` |  | Contains extra controls commonly used in Lazarus forms.
`Buttons,` |  | Contains types and classes used to implement specialized buttons.
`Menus,` |  | Implements menus used in forms created with the Lazarus IDE.
`Clipbrd,` |  | Definitions for the Clipboard to hold Cut or Copied data for Pasting.
`WSExtDlgs,`
`LCLStrConsts;` |  | Contains resource strings used in the LCL.

## Overview

calcform.pas contains classes and types used in TCalculatorForm, a dialog form used to display a calculator. It is part of the Lazarus Component Library (LCL).