Xcas
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Developer(s)  Bernard Parisse 

Initial release  2000 
Stable release 
1.4.945 / January 2018

Repository  
Written in  C++ 
Operating system  Windows, macOS, Linux 
Type  Computer algebra system 
License  GNU GPL 
Website  wwwfourier 
Xcas is a user interface to Giac, a free, basic Computer Algebra System (CAS) for Windows, macOS and Linux/Unix. Giac can be used directly inside software written in C++.
Xcas and Giac are opensource projects developed by Bernard Parisse's et al. at the Joseph Fourier University of Grenoble (Isère) since 2000. It is based on experiences gained with Parisse's former project Erable.
Giac has a compatibility mode with Maple and MuPAD and Qcas and ExpressionsinBar software and TI89, TI92 and Voyage 200 calculators. Users can use Giac/Xcas as well as a free software compatible with Maple to develop formal algorithms or use it in other software. Among other things Xcas can solve equation and draw graph. Xcas is working in offline mode.
Pocket CAS and CAS Calc P11 utilize Giac. In 2013, it was also integrated into GeoGebra's CAS view.
CmathOOoCAS, an OpenOffice.org plugin which allows formal calculation in Calc spreadsheet and Writer word processing, uses Xcas to perform calculations.
The system was also chosen by HewlettPackard as the CAS for their HP Prime calculator, which utilizes the Giac/Xcas 1.4.9 engine under a duallicense scheme.
Features[edit]
Here is a brief overview of what Xcas is able to do:
 computer algebra;
 geometry in the plane;
 geometry in space;
 spreadsheet;
 statistics;
 programming.
See also[edit]
Further reading[edit]
 De Graeve, Renée (20180119) [2013]. "Symbolic computation and Mathematics with the calculator HP Prime" (PDF). Translated by Lecointre, Jean Michel. Retrieved 20180122.
External links[edit]
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 C++ libraries
 Computer algebra system software for Linux
 Computer algebra system software for MacOS
 Computer algebra system software for Windows
 Free computer algebra systems
 Free mathematics software
 Free software programmed in C++
 Mathematical software
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