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bc vs GNU bc: catalog facts
bc	GNU bc
Free Free and open source under the BSD 2-Clause license.	Free Free software from the GNU Project.
Windows, macOS, Linux, Command line	Command line
Implements POSIX bc with GNU extensions Includes dc functionality	Arbitrary precision arithmetic Scriptable, with C-like syntax
Uses a command-line interface	Terse syntax unfamiliar to casual users Text-only, no graphing or symbolic maths
Downloadable app	Downloadable app
Open source	Open source
License: BSD-2-Clause	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 1, 2026

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