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Genius vs Numbat: catalog facts
Genius	Numbat
Free Free and open source under the GPL-3.0 licence.	Free The open-source application is available without a license fee.
Linux	Windows, macOS, Linux
Arbitrary precision integers and rational numbers Broad coverage of linear algebra, number theory and statistics	Unit-aware calculations with dimension checking
Symbolic calculation is very limited Linux only	Requires learning its expression and language syntax.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.