From: Ralf Mueller <ralf.mueller@...>
Date: 2009-07-17T14:20:40+09:00
Subject: Re: I have some Ruby math questions that need answering

Älphä Blüë wrote:
> When handling percentage calculations:
>
> Simple 99/100..
>
> Will I always have to do 99.to_f/100.to_f in order to receive 0.99?  Or
> is there a simpler way of performing this task in ruby..
>
>   
or you use

require 'mathn'



and I bet, there is much stuff in the facets-pakage: 
http://facets.rubyforge.org/