From: Gregory Brown <gregory.t.brown@...>
Date: 2007-06-22T04:33:02+09:00
Subject: Re: Ruby doesn't know how to multiply

On 6/21/07, rjprado@gmail.com <rjprado@gmail.com> wrote:
> Hello,
>
> Dear friends, today I have stumbled into a really weird problem. Try
> typing this on irb:
>
> 14.95 * 0.6 == 8.97
>
> Ruby says it's false!
>
> I don't know if this is a bug. Please let me know. By the way i�m on
> ruby 1.8.5. I'll give it a try on 1.8.6 and let you know.

It's not a bug.  It's the way floating point arithmetic works, and is
true for *most* programming languages.

http://docs.sun.com/source/806-3568/ncg_goldberg.html