• hpcalc.org
  
  The largest, best source on the Internet for software for and information about Hewlett Packard's HP49G, HP48, HP38G, and HP28 graphic calculators.
  archive calculator download graphic hewlett hp-28 hp-38 hp-48 hp-50 hp28 hp38 hp39 hp40 hp48 hp49 hp50 p programs rpn software
  in Public bookmarks with applets computer download hp39g programming reference resources software tools by 3 users (all private)

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