FERMAT GRAPHIC goes here.

Above image created with the old float version of Fermat.

Release of Fermat Source Code. The source code for the latest version, 6.21, will be released within a week under GNU GPL. July 16, 2018. If you are interested in having a copy, and have not done so recently, email me.

Update: The source code has indeed been released. If you are interested in having a copy, and have not done so recently, email me.



New 64 bit Fermat 6.21, with vastly improved multivariate polynomial gcd since 6.0. July 13, 2018.

Compare Your Computer Algebra System. Take the Fermat Tests! September 2015.

Fermat is freeware. Those who have grant money are requested to contribute $70 per installed machine.

Fermat Linux as a C Library. revised January 5, 2018

   ball 64 bit Versions of Fermat, Version 5.25 July 5, 2016

   ball Mac OS X Intel Version of Fermat Now Available, 32 bit. 3.9.9x, revised July 5, 2016

   ball Float Versions of Fermat Now Available. April 22, 2015

   ball Mac OS X G3-G5 Version of Fermat Available. 3.9.9x, revised October 8, 2010, for old G3-G5 Macs.

   ball Linux Version of Fermat Now Available. 3.9.9x, revised July 5, 2016

   ball New Windows Version of Fermat. 3.9.9x, March 28, 2013

   ball Unix Version of Fermat Available. 3.6.9, revised December 15, 2005

   ball Old Obsolete Windows Version of Fermat. 3.6.9, revised October 29, 2007

   ball Mac OS 9 Version of Fermat Available. 3.7.0, revised October 29, 2007

   ball Source Code for Old Windows Version Available. April 17, 2010

   ball Source Code for FFermat Now Available. January 19, 2009

   ball Fermat Very Impressive in Comparison of Computer Algebra Systems

   ball HTML and PDF Versions of the Manuals:

Revised PDF and HTML Manuals for Linux,Windows, and OS X. July 25, 2011, small revisions April and June 2016.

   ball Fermat FAQ frequently asked questions.


  Here is a documented collection of functions that implement the Dixon-EDF method for solving systems of polynomial equations in Fermat.   Abreu, Page, Zeng. Differential equations from unitarity cuts: nonplanar hexa-box integrals. preprint, July 2018.
  J. Ablinger, A. Behring, J. Bluemlein, A. De Freitas, A. von Manteuffel, C. Schneider. Heavy Flavor Wilson Coefficients in Deep-Inelastic Scattering: Recent Results. arXiv.org > hep-ph > arXiv:1711.07957. November 2017.
  Philipp Maierhoefer, Johann Usovitsch, Peter Uwer. Kira - A Feynman Integral Reduction Program. arXiv:1705.05610 [hep-ph]. May 2017.

Revised Manual for Linux and OSX. July 25, 2011

ball Suggested donation $70, using PayPal. (You don't have to have a PayPal account.)