2dgr10.zip 150813 960630 Draw/plot 2D graphic of math function grphca27.zip 295734 940710 Graphica: System for drawing scientific graphs mathpl37.zip 122004 960406 Mathplot 3.7: Mathematical Function Plotting plotr81.zip 186464 970102 Data plotting and analysis program wlplt270.zip 292941 970108 WL-Plot v2.70: Mathmatical function plotter