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fend vs GNU bc: catalog facts
fend	GNU bc
Free Free and open source.	Free Free software from the GNU Project.
Command line	Command line
Arbitrary-precision arithmetic Built-in unit handling and conversion	Arbitrary precision arithmetic Scriptable, with C-like syntax
Command-line interface only, with no graphical calculator	Terse syntax unfamiliar to casual users Text-only, no graphing or symbolic maths
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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