Example: SUB ... Procedure and CALL statement

DECLARE SUB add (a,b)
CLS
INPUT "Enter first number"; x
INPUT "Enter second number"; y
CALL add (x,y)
END

SUB add (a,b)
c = a+b
PRINT "The sum is ";c
END

• Here, 'add' is the name of sub procedure. a and b are parameters.

• Here CALL statement calls the sub module or sub procedure 'add' with the answer. x and y are arguments.

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