Function Foo(n) =
    {Comments within a function are enclosed within curly brackets.}
    {You can make multi-line comments
        such as this one.}
    n:=n^2 + 3n - 222;   {Comments can go after a semicolon.}
    n:=n+1;
    n.

; comments between functions are preceded by semicolons, like this

Function Bar(n) =
    2n-1.