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AlexCalc vs Numbat: catalog facts
AlexCalc	Numbat
Free Free to use; the source is published under the AGPL-3.0.	Free The open-source application is available without a license fee.
Android, iOS, Web	Windows, macOS, Linux
Formatted LaTeX display makes long equations easy to verify Handles units, variables and complex numbers	Unit-aware calculations with dimension checking
The on-screen layout is dense for a first-time user Formal releases are not published on GitHub	Requires learning its expression and language syntax.
Downloadable app, Web application	Downloadable app
Open source	Open source
License: AGPL-3.0-only	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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