Butterfly Shareware for Windows CDROM CDROM, March 1996. Walnut Creek CDROM. ----------------------------------------------------------------------------- Plotting related material path: \zipped\plot ----------------------------------------------------------------------------- digi138.zip Digitize v1.38 x,y plot digitizer (scanned plot to x,y points) splt220w.zip Splot v2.20 the pen plotter simulator (HP7475A) (good)