<tool, mathematics> An extensible, advanced desk calculator and mathematical tool written in Emacs Lisp by Dave Gillespie <>. Calc runs as part of GNU Emacs. You can use Calc as only a simple four-function calculator, but it also provides additional features including choice of algebraic or RPN (stack-based) entry, logarithms, trigonometric and financial functions, arbitrary precision, complex numbers, vectors, matrices, dates, times, infinities, sets, algebraic simplification, differentiation, and integration.

Latest version: 2.02, as of 1994-11-08.

FTP calc-2.02.tar.z from your nearest GNU archive site.

Last updated: 2000-10-20

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CAiSE « CAJOLE « CAL « Calc » calculator » Calculus of Communicating Systems » Calendar API