From: Daniel Harple Date: 2006-01-17T00:05:41+09:00 Subject: Re: basic question about Fixnum & Integer On Jan 16, 2006, at 4:01 PM, Daniel Harple wrote: > You must require 'mathn' Actually, this is partially wrong. #lcm is defined in rational, but mathn requires rational. So require 'rational', but require 'mathn' works too. Sorry. - Daniel