QBasic Programming

Display area of 4 walls

REM PROGRAM TO DISPLAY AREA OF 4 WALLS
CLS
INPUT “ENTER LENGTH”; L
INPUT “ENTER BREADTH”; B
INPUT “ENTER HEIGHT”; H
A = 2 * H * (L + B)
PRINT “AREA OF FOUR WALLS“; A
END

USING SUB PROCEDURE

DECLARE SUB AREA (L, B, H)
CLS
INPUT “ENTER LENGTH”; L
INPUT “ENTER BREADTH”; B
INPUT “ENTER HEIGHT”; H
CALL AREA (L, B, H)
END

SUB AREA (L, B, H)
A = 2 * H * (L + B)
PRINT “AREA OF FOUR WALLS”; A
END SUB

USING FUNCTION PROCEDURE

DECLARE FUNCTION AREA (L, B, H)
CLS
INPUT “ENTER LENGTH”; L
INPUT “ENTER BREADTH”; B
INPUT “ENTER HEIGHT”; H
AR = AREA(L, B, H)
PRINT “AREA OF FOUR WALLS”; AR
END

FUNCTION AREA (L, B, H)
A = 2 * H * (L + B)
AREA = A
END FUNCTION

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