
            command parameters

            var = expression

            var = "string"

EXPRESSIONS

   Expressions are parsed, and standard mathematical precedence
   is retained.  The operators +, -,  /, **  (or ^) can be used in
   the expressions.  Parenthesis can be used to provide correct
   association of the operations.

COMMANDS

   DEBUG               REPLICATE  n1 AT n2 THRU n3
   COPY [ File ]       SCALE  [ Column ]  nnn
   DUPLICATE  n1 THRU n2 AT n3 
   EDIT                SHIFT  Direction [ nnn ]
   HELP                SHELL
   LIST                VER
   QUIT                WIDTH  Column [ nnn ]
   READ [ File ]       WRITE  [ File ]
   REDRAW

BUILT-IN FUNCTIONS

   ABS( E )          COS( E )          LOG( E )
   ACOS( E )         EXP( E )          PI
   ASIN( E )         GAMMA( E )        POW( E1, E2 )
   ATAN( E )         HYPOT( E1, E2 )   SIN( E )
   ATAN2( E1, E2 )   INT( E )          SQRT( E )

OTHER SPECIAL DEFINITIONS

   POSITION[ E1 , E2 ]
   ROW
   COL
