Example: FUNCTION Procedure

The Syntax of FUNCTION Procedure is:
            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

    FUNTION area (l, b)
    INPUT "Enter length of rectangle"; l
    INPUT "Enter breadth of rectangle"; b
    area = l * b
    END FUNTION