Mark's looking at plot got me thinking, does anyone know if any version of the Tektronix Plot 10 sources has survived? I have googled around and found a few manuals, but never the (Fortran) code itself. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://minnie.tuhs.org/pipermail/tuhs/attachments/20190709/39e0fb42/attachment.html>