Free42 is a re-implementation of the HP-42S calculator and the HP-82240 printer. It is a complete rewrite, not using any HP code, and it does not require an HP-42S ROM image.
LicenseFree
File Size8.89 MB
Version2.0.23
Operating System Macintosh
System Requirements
  • macOS High Sierra
  • macOS Sierra
  • OS X El Capitan
  • OS X Yosemite
  • OS X Mavericks
  • OS X Mountain Lion
  • OS X Lion
  • OS X Snow Leopard