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C47/R47 Calculators

3 days ago
  • #Open-source
  • #Calculator
  • #RPN
  • C47 is an open-source, programmable RPN calculator software for DM42 hardware with a simulator available.
  • R47 is a physical calculator by SwissMicros using C47 software with a new keyboard layout, currently in beta.
  • Both projects are community-driven, with active development and a forum for user involvement.
  • RPN-based design inspired by HP calculators, offering efficient and enjoyable calculation methods.
  • Software runs on SwissMicros hardware with a custom bezel, no keyboard modifications needed.
  • Extensive documentation integrated with development, including a community wiki and PDFs.
  • Source code available on GitLab for contributions, bug fixes, or new features.
  • Licensed under GPL3 for code/docs and GFDL for website content; bezel graphics are separately copyrighted.