Contributing to the Mathomatic free software project

Mathomatic has been under continual development since 1986 by the primary author George Gesslein II, with help from the Internet community. To donate money and encourage future development of Mathomatic, please mail a check or money order in U.S. dollars, payable to:

George Gesslein II
P.O. Box 224
Lansing, New York 14882-0224
USA

If you are expecting services for your donation, please indicate this by email before you send the donation. Working email addresses for George Gesslein II are:

gesslein@linux.com
georgegesslein@gmail.com

To donate services or patches to the Mathomatic project, please send me an email to discuss it. Mathomatic desperately needs a free graphical user interface (GUI), but I am unable to write one because I am currently battling both thymic cancer and an evil time-being, so any help with keeping Mathomatic (and me) alive is appreciated.

Send any physical packages to:

George Gesslein II
118 Sharpsteen Road
Locke, New York 13092
USA

Here I am making available the final DOS version of Mathomatic with Microsoft C source code for historical purposes, so you can see how far Mathomatic has progressed recently. It was released on October 29, 2003. The ZIP archive also contains the final version of Personal Harmonograph Simulator (PHS) for DOS, which is a small, automatically artistic, graphics program. PHS simulates a museum harmonograph, creating pretty circular patterns that you can control and print.