Simtel MSDOS CDROM, Sep 1997.  Walnut Creek CDROM.
 --------------------------------------------------
 Programs for plotters
 path: \disc1\plot 
 --------------------------------------------------
2dgr10.zip   Draw/plot 2D graphic of math function
grphca27.zip Graphica: System for drawing scientific graphs
mathpl37.zip Mathplot 3.7: Mathematical Function Plotting
plotr81.zip  Data plotting and analysis program
wlplt270.zip WL-Plot v2.70: Mathmatical function plotter