On Tue, May 21, 2013 at 6:26 PM, Steven D'Aprano <steve+comp.lang.python at pearwood.info> wrote: > For maths nerds like me, this is too cool for words: > > http://www.johndcook.com/blog/2013/04/30/recognizing-numbers/ It is indeed, very cool. I think I need to conjure an excuse to use this someplace. ChrisA