Window Menu

     The Window menu contains the following items:  Default Positions, Formula, Text and Model.

     The Default Positions item is used to reset all open windows to their default positions and sizes.

     The Formula, Text and Model items indicate which windows are currently open, and are used to select which of the windows is active.  A window is open if its corresponding item in the Window menu is enabled.  The active window is the window whose item has a check mark.  A different window can be activated by selecting its corresponding menu item.