WindowSize
 Usage
• WindowSize is an option for Notebook which specifies the size of window that should be used to display a notebook on the screen.
Notes
• WindowSize->{w, h} gives the width and height of the window in printer's points. • Setting either width or height to Automatic causes the size of the window to be determined from the setting for WindowMargins and the size of your screen. • The setting for WindowSize changes whenever you resize a window interactively in the front end. • On most computer systems, the front end does not allow window sizes below a certain minimum value. • New in Version 3.
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