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GNU bc vs eva: catalog facts
GNU bc	eva
Free Free software from the GNU Project.	Free Free and open source under the MIT licence.
Command line	Windows, macOS, Linux, Command line
Arbitrary precision arithmetic Scriptable, with C-like syntax	Interactive REPL or one-off expressions from the command line Syntax highlighting and persistent history
Terse syntax unfamiliar to casual users Text-only, no graphing or symbolic maths	No packaged releases on GitHub A plain calculator, not a full programming language like bc
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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