NumWorks open source calculator

[critor]

Thanks to Jean Baptiste Boric, the NumWorks firmware is now available for your HP Prime calculator :
https://tiplanet.org/forum/gallery/image.php?album_id=137&image_id=9606

It works on hardware revision C.
The keypad doesn't work on my DVT prototype which is similar to hardware revision A. So it may not work on hardware revision A for now.

Alterations to the source code : https://github.com/numworks/epsilon/pull/534/commits

Binary download : https://tiplanet.org/forum/viewtopic.php...20#p232267

How to install the NumWorks firmware :
- keep a copy of your Documents/HP Connectivity Kit/Firmware/PRIME_OS.ROM file
- overwrite it with the downloaded file
- connect your calculator
- force a firmware update from the connectivity kit

How to reinstall your HP firmware :
- restore your original Documents/HP Connectivity Kit/Firmware/PRIME_OS.ROM file
- connect your calculator
- while holding the calculator [Symb] key, press and release the reset button on the back
- confirm the firmware installation in the connectivity kit

More information :
https://github.com/boricj/epsilon/issues/1
https://tiplanet.org/forum/viewtopic.php...86#p232286 (in french)
https://tiplanet.org/forum/viewtopic.php...20#p232062 (in french)