A double-precision multi-purpose fitting program by Thomas Koenig .It can manipulate complete columns of numbers in the form of vector arithmetic.FUDGIT is also an expression language interpreter understanding most of Cgrammar 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..(1993-03-22)