RATIOP
======

syntax: (rationalp <object>)    ;Common Lisp command
        (ratiop <object>)       ;Babylon Lisp command

        ==> T | NIL

This function verifies, whether the object is a ratio.
A function is true (T), when its argument is a ratio,
otherwise it is false (NIL).

examples:      >(ratiop 3/2)
               T

               >(ratiop "a")
               NIL