From: James Edward Gray II <james@...>
Date: 2007-08-26T05:35:05+09:00
Subject: Re: Combinations of numbers/operators?

On Aug 25, 2007, at 3:25 PM, Donald Patch wrote:

> Here's a related question: is there a math library in Ruby that would
> allow me to "solve for" a given number given several inputs? For
> example, I have the number 20 and want to know what combinations of
> 1,2,3,4 would yield this result?

There was an old Ruby Quiz for a problem like this:

http://www.rubyquiz.com/quiz7.html

Maybe the solutions will give you some ideas.

James Edward Gray II