104: Calc -- poor man's Mathematica within Emacs Author: Dave Gillespie <daveg@csvax.cs.caltech.edu> Latest version: 2.02c Anonymous FTP: ftp://prep.ai.mit.edu/pub/gnu/calc-2.02c.tar.gz NOTE: Unlike Wolfram Research, Dave has never threatened to sue anyone for having a program with a similar command language to Calc. :-)