From: knaveofdiamonds <roland.swingler@...>
Date: 2006-09-02T00:00:36+09:00
Subject: Re: Happy Numbers (#93)

One note of advice - the operator to use is actually ** not ^ as might
be expected:

irb> 7 ^ 2 # Gives 5
irb> 7 ** 49 # Gives 49

Cheers,
Roland