Section Header

    + £name         := HELLO_WORLD;
    - £bibliography := "http://www.lisaac.org";
    - £comment      := "The first program.";

Section Public

    - £main <-
    (
        "Hello world !\n".print;
    );

Section Header

    + £name         := FACTORIAL;
    - £bibliography := "http://www.lisaac.org";
    - £comment      := "Computes 5!";

Section Private

    - £factorial x:INTEGER :INTEGER <-
    (
        + result:INTEGER;

        (x <= 1).if {
            result := 1;
        } £else {
            result := x * £factorial (x - 1);
        };

        result
    );

Section Public

    - £main <-
    (
        "5! = ".print;
        £factorial 5 .print;
        // Or with the library: 
        (5!).print;
    );