Xcas is a Giac interface, which allows computer algebra, graphical representations in the plane or space, dynamic geometry (in the plane or in space), spreadsheet, statistics and programming.
Xcas uses the FLTK graphics library, there is an alternative project based on QT: qcas.
Publisher’s description
What is Xcas?
Xcas by Xcas is open-source Windows software in the science & maths category.
Installation and requirements
The publisher provides EXE (NSIS) installers for 64-bit Windows. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches.
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
Cons
- No native ARM64 build
- Installation needs administrator rights
- No update for more than a year
- The official download link did not answer at the last check
In short: Xcas is an open-source science & math tool for 64-bit PCs. Updates have slowed down. Administrators can deploy it unattended.
Is Xcas safe to download?
- The file is served by www-fourier.univ-grenoble-alpes.fr, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
E907CE7E53133A68B05A679D92BD3EE56A7EA571E6840E7F4D2A80FF7029AFC8· Open the VirusTotal report for this hash - The link did not answer when we last checked it (October 22, 2026)
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.9.0Latest | November 15, 2022 | — | 64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id Xcas.Xcas -excasinst.exe /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- Xcas
- Category
- Science & maths
- Licence
- GPLv3
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (NSIS)
- Version
- 1.9.0
- Released
- November 15, 2022
- Added to the catalogue
- November 15, 2022
- Versions listed
- 1
- Website
- xcas.univ-grenoble-alpes.fr
- winget ID
- Xcas.Xcas
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Xcas free?
Yes. Xcas is open-source software under the GPLv3 licence.
Is Xcas safe to download?
The download comes from www-fourier.univ-grenoble-alpes.fr, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Xcas with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can Xcas be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does Xcas run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
What are alternatives to Xcas?
Stellarium, KiCad, Quarto, Qalculate! and JASP. The alternatives page compares them.
