     FOFX(1)                                                             FOFX(1)
                                    30 July 1997

     NAME
          fofx - print function 'graphs' on the standard output

     SYNOPSIS
          fofx [-axes] [-cols columns] [-tlx N] [-tlx N] [-brx N] [-bry N] [-iv
          interval] equation

     DESCRIPTION
          fofx parses equation and prints a graph made of text characters on the
          standard output. 'x' is the variable. Implied multiplication is not
          allowed: you must use the * operator.

        OPTIONS
          -axes
               Print crude f(x) and x axes.

          -cols columns
               Sets the width of the graph to columns columns. The default is
               70.

          -tlx N
               Sets the abscissa of the point representing the top left corner
               of the viewing window to N. Default is -7.

          -tly N
               Sets the ordinate of the point representing the top left corner
               of the viewing window to N. Default is 7.

          -brx N
               Sets the abscissa of the point representing the bottom right
               corner of the viewing window to N. Default is 7.

          -bry N
               Sets the ordinate of the point representing the bottom right
               corner of the viewing window to N. Default is -7.

          -iv interval
               Sets the interval betwwn plotted points.

          -?, --help
               Print help message on the standard output and exit.

          -v, --version
               Print version information on the standard output and exit.

        EXAMPLE
          An example command line for fofx:

               fofx -iv .228 "sin(3*x)*((x^2)*.1)"

                                        - 1 -            Formatted:  May 4, 2001

     FOFX(1)                                                             FOFX(1)
                                    30 July 1997

     VERSION
          At this date, fofx is beta software at version 0.5.

     HISTORY
          fofx was first written in HPL on an HP-9825A desktop calculator. It
          printed output on 16-column thermal paper tape.

     AUTHORS
          fofx is written by Tom Stepleton. Please send any feedback to
          (ssteplet@artsci.wustl.edu, tom@tjs.org).

     BUGS
          Beware! There are probably hundreds!

     MISC
          fofx can be used on the Web through the form at

               http://galena.tjs.org/cgi-bin/grapher

                                        - 2 -            Formatted:  May 4, 2001