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List:       ruby-talk
Subject:    Re: Exact (LISP-ish) calculations in Ruby?
From:       Marnen Laibow-Koser <marnen () marnen ! org>
Date:       2009-11-19 13:12:09
Message-ID: e53420e0782d990910f89283c8809f7a () ruby-forum ! com
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Martin DeMello wrote:
> On Thu, Nov 19, 2009 at 2:55 PM, Gavin Sinclair <gsinclair@gmail.com> 
> wrote:
>>
>> There's an algorithm for calculating square roots, similar (in
>> appearance, not in process) to the algorithm for long division. �One
>> or more generations ago, school students would have done it with pen
>> and paper, I think.
> 
> I learnt it in school, and I'm in my 30s, so one generation ago.

Yeah, I learned it as a kid as well, and I'm about the same age.  I've 
long since forgotten how to do it, though; I do remember that it 
involves a bit of trial multiplication.

> 
> martin


Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org
-- 
Posted via http://www.ruby-forum.com/.

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