STACK

$S|R\ --\ Q$ $I_n\ I_d\ --\ Q$

DESCRIPTION

Creates a rational object on the stack from

a string representation.
Accepts two integers separated by a '/'. Accepts a single integer without '/' characters. Ignores whitespaces completely.
an I_n numerator and an I_d denominator where I_d may not be 0
a R

Core code registered in leodict.