The Syntax of FUNCTION Procedure is:
FUNCTION Name (parameters)
Statements
Name=expression
END FUNCTION
FUNCTION Name (parameters)
Statements
Name=expression
END FUNCTION
Example:
A program to find area of rectangle
DECLARE FUNCTION area (l, b)
CLS
PRINT area(l, b)
END
FUNCTION area (l, b)
INPUT "Enter length of rectangle"; l
INPUT "Enter breadth of rectangle"; b
a = l * b
area = a
END FUNCTION