| Help 2.6System menu1. FunctionSystem menu contains calculator main window management commands.  Fig. 1. System menu. 2. CommandsSystem menu offers the following commands: 
 Table. 1. System menu commands.|  | Command | Description | 
|---|
 | 1 | Restore | Returns window to its size and position before you chose the Maximize or Minimize command |  | 2 | Move | Displays a four-headed arrow, so you can move the window with the arrow keys |  | 3 | Size | Displays a four-headed arrow, so you can size the window with the arrow keys |  | 4 | Minimize | Reduces the window to an icon |  | 5 | Maximize | Enlarges the window to fill the available space |  | 6 | Close | Closes the window |  |