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- \ Rectangle program for problem 2.9
- \ Author: Dickson Cheng 03/30/90 13:50:38.40
-
- : .LW ( l w -- )
- SWAP
- CR ." Length: " .
- CR ." Width : " . ;
-
- : AREA ( l w -- )
- CR ." Area: " * . ;
-
- : PERIMETER ( l w -- )
- CR ." Perimeter: " + 2 * . ;
-
- : RECTANGLE ( l w -- )
- 2DUP .LW
- 2DUP AREA
- PERIMETER ;
-
- : MESSAGE ( -- )
- DARK CR ." To run RECTANGLE type l w RECTANGLE." ;
-
- MESSAGE
-
-