On Sun, Apr 20, 2008 at 11:45 PM, Michael W. Ryder <_mwryder / worldnet.att.net> wrote: > I am part way through implementing a Rational math class to further my > understanding of Ruby which is a good idea and I see that you are in good hands with Robert. When you are done though have a look into ruby's own rational.rb ( or even earlier depending on how you prefer) and compare what they have done with your own code, that might bring some further enlightenments. Cheers Robert P.S. A second thought, look at it *after* you have finished ;) R.