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List:       ruby-talk
Subject:    Re: Exact (LISP-ish) calculations in Ruby?
From:       Aldric Giacomoni <aldric () trevoke ! net>
Date:       2009-11-18 19:04:02
Message-ID: fb8b6747a63cdabdd8a65d37222f3dd0 () ruby-forum ! com
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Aldric Giacomoni wrote:
> 
> In all fairness, I just fired up SLIME to check, and LISP's (sqrt 2) 
> does come out to be an approximation, so I guess I want something cool 
> like the HP-48 and HP-49's factoring power..

And I just read up on the process of 'continuing fractions' which can be 
used find fractions / estimates of irrational numbers down to the nth 
decimal. I wonder how we can know that, for instance, 1.41421 (etc) is 
sqrt(2) ... ?

Ah, mathematics.
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