Cls
    -------------------------
    Different to basic
     
     
    Same as Basic except for the effect of the Output keyword.
     
    Use: Clears the text window to the text background colour.
    Cls also moves the text cursor to its home position, which is
    normally the top left of the screen.
     
    Syntax is: Cls
     
    For further info about Graphics in WimpBasic click here.
     
    Other keywords in the Graphics category.