Mikko Tommila, ported the code from the C++ version and improved it.
Peter Luschny, provided an improved factorial algorithm, product algorithm and other suggestions for improvement.
Dominique Fortin, found a bug in the
Aprational constructor, provided various other ideas.
Charles Oliver Nutter, Tsz Wo Sze (Nicholas), Zoltan Palmer, Sean A. Irvine, Stefan Tobiasson found various bugs.
If you have additions or corrections, or would like your name removed from the above list please contact the author.