From: Martin DeMello <martindemello@...>
Date: 2009-11-19T18:37:33+09:00
Subject: Re: Exact (LISP-ish) calculations in Ruby?

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.

martin