A double-precision multi-purpose fitting program by Thomas Koenig <ig25@rz.uni-karlsruhe.de>. It can manipulate complete columns of numbers in the form of vector arithmetic. FUDGIT is also an expression language interpreter understanding most of C grammar except pointers. Morever, FUDGIT is a front end for any plotting program supporting commands from stdin, e.g. Gnuplot.

Version 2.27 runs on AIX, HP-UX, Linux, IRIX, NeXT, SunOS, Ultrix.