gnuplot-CVS -- A program for plotting mathematical expressions and data.<hr>
<a href="http://www.gnuplot.info/">http://www.gnuplot.info/</a><hr>
Gnuplot is a command-line driven, interactive function plotting program
especially suited for scientific data representation.  Gnuplot can be
used to plot functions and data points in both two and three dimensions
and in many different formats.

Install gnuplot if you need a graphics package for scientific data
representation.
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