Graphs linear functions in two dimensions, similiar to a Mandelbrot plot.
You start with a linear function like 10sin(x**2+y**2) and CPlot treats
each point on the screen as an X-Y coordinate, color-scaling it according
to its magnitude for a preset range of inputs.  Includes some very nice
sample creations.  

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
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[generic]                  300     974  30.8% -lh5- 363e Oct 27  1990 CPlot.info
[generic]                   76      81  93.8% -lh5- 9693 Oct 27  1990 CPlot/.info
[generic]                21289   55724  38.2% -lh5- 3715 Oct 27  1990 CPlot/CPlot
[generic]                 1222    2487  49.1% -lh5- ebfa Oct 27  1990 CPlot/CPlot.docs
[generic]                  175     366  47.8% -lh5- 007b Oct 27  1990 CPlot/CPlot.docs.info
[generic]                  539     902  59.8% -lh5- 6260 Oct 27  1990 CPlot/CPlot.info
[generic]                   98     183  53.6% -lh5- 5217 Oct 27  1990 CPlot/gyros
[generic]                35710   57222  62.4% -lh5- 6c63 Oct 27  1990 CPlot/gyros.iff
[generic]                  172     379  45.4% -lh5- 6b77 Oct 27  1990 CPlot/gyros.info
[generic]                   98     183  53.6% -lh5- f773 Oct 27  1990 CPlot/kaleidoscope
[generic]                89603  120598  74.3% -lh5- d5bc Oct 27  1990 CPlot/kaleidoscope.iff
[generic]                  173     379  45.6% -lh5- 09b1 Oct 27  1990 CPlot/kaleidoscope.info
[generic]                   74     183  40.4% -lh5- 058a Oct 27  1990 CPlot/peacock
[generic]                98426  119284  82.5% -lh5- ec89 Oct 27  1990 CPlot/peacock.iff
[generic]                  175     379  46.2% -lh5- a451 Oct 27  1990 CPlot/peacock.info
[generic]                   89     183  48.6% -lh5- 8c35 Oct 27  1990 CPlot/polar_lips
[generic]                34965   75356  46.4% -lh5- e312 Oct 27  1990 CPlot/polar_lips.iff
[generic]                  171     379  45.1% -lh5- 212e Oct 27  1990 CPlot/polar_lips.info
[generic]                  122     147  83.0% -lh5- cea7 Oct 27  1990 CPlot/Readme.fnf
[generic]                   74     183  40.4% -lh5- 140a Oct 27  1990 CPlot/titleplot
[generic]                 3579    8258  43.3% -lh5- daac Oct 27  1990 CPlot/titleplot.iff
[generic]                  170     379  44.9% -lh5- ac91 Oct 27  1990 CPlot/titleplot.info
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 Total        22 files  287300  444209  64.7%            Oct 27  1990