From: Aldric Giacomoni <aldric@...>
Date: 2009-11-19T21:53:34+09:00
Subject: Re: Exact (LISP-ish) calculations in Ruby?

Gavin Sinclair wrote:
> Not my idea of fun, though.  The beauty of Mathematics is best
> appreciated in the mind, for it's only there that sqrt(2) exists.

Gavin, I'll take a look at existing CAS :) This being said, I rather 
think that the ability to use mental concepts without worrying that the 
computer will change them is rather important (I -said- sqrt(2), not 
1.414 !) .. And, well, if Ruby can do it, then it should be available 
for those who do need it, don't you think? :)

Florian Frank wrote:
>I had to implement them for my bullshit library (which has grown to
>include half a math library by now, ugh):
>http://github.com/flori/bullshit/blob/master/lib/bullshit.rb#L20

Wow, massive amount of work you did there. Pretty cool coding, too. I 
may just have to shamelessly steal some of these :)
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