Axiom
Axiom: A broad, offline CAS for Linux developers who want an open mathematical programming environment. Ranked #61 of 68 in Math Solver Apps by our editors (5.0/10); pricing: Free plan; best for linux developers needing an open CAS.
At a glance
- Editor score5.0 / 10
- PricingFree plan
- Best forLinux developers needing an open CAS
- Free planYes
- Paid fromFree
- Founded1971
- Facts checked22 Sep 2026
Where it wins
- Free and open-source under a Modified BSD license
- Combines a typed algebra hierarchy with the SPAD language and compiler
- Offline, local installation with documentation integrated into the source
Where it doesn't
- Linux-only platform support
- Local compilation and installation require technical setup
- Lacks consumer-focused solving features
Our verdict on Axiom
Axiom is a free, open-source, general-purpose computer algebra system for mathematical research, scientific computation, and algorithm development. It is aimed at Linux developers and technically oriented users who want an offline desktop system rather than a hosted service. The project combines symbolic computation with its own SPAD programming language, a strongly typed mathematical hierarchy, and a built-in compiler, making it suitable for users who want to work with both mathematical structures and executable algorithms.
Its main distinction is the way the mathematical system and programming environment fit together. The typed hierarchy provides a structured foundation for mathematical objects, while SPAD supports algorithm development within the same environment. Axiom also includes local source compilation and installation, plus literate-programming documentation integrated with the source. Its published documentation covers the system, language, algebra hierarchy, interpreter, compiler, graphics, and mathematical algorithms. This breadth makes Axiom more relevant to research and development than to quick, consumer-style equation solving.
Axiom is distributed as software that users build or install locally, so the setup model suits people comfortable with Linux development workflows. It is free and open-source under a Modified BSD license, with offline operation supported by its desktop distribution. The trade-off is focus: Axiom is Linux-only and does not target consumer solving features. Choose it if an open CAS, programmable algebra system, and source-level documentation matter more than convenience features or broad platform support. Users seeking a simpler math-solving application or a non-Linux option should consider a different category fit.
Your product? Our editors can test Axiom in depth and publish a review, labelled as paid · from $149/mo →
Axiom pricing
Axiom fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Photo input | Not verified |
| Handwriting input | Not verified |
| Step-by-step explanations | Not verified |
| Subject coverage | Broad |
| Platform coverage | Desktop |
| Offline mode | Yes |
| Deployment | Self-hosted, Desktop |
| Platforms | Linux |
| Support | Email, Docs |
| Built for | Solo, Small business, Mid-market (editorial estimate) |
| Pricing | Free plan |
| Website | nongnu.org |
| Facts checked | 22 Sep 2026 |
Alternatives to Axiom
- Maple CalculatorA broad mobile solver with camera and handwriting input, plus offline graphing.9.4
- SymbolabA broad math study tool pairing worked solutions with practice, graphing and photo input.9.2
- GeoGebraA broad, free mathematics toolkit with adaptive practice, classroom tools, and offline apps.9.1
Also Ranked In
Axiom is ranked in 2 of our directories.
Used Axiom? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Axiom for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
Axiom is listed in our Math Solver Apps directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/axiom/"><img src="https://www.itechguides.com/best/badge/axiom.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update