Includes emulators for the HP 35, HP 80, HP 45, HP 70, HP 55, HP 21, HP 22, HP 25, HP 25C, HP 27, HP 29C, HP 31E, HP 32E, HP 33E, HP 33C, HP 34C, HP 37E, HP 38C, HP 38E, HP10, HP 67, HP 10C, HP 11C, HP 12C, HP 15C, and HP 16C.
If GTK is available then on models with continuous memory or a card reader, right-clicking on the application window will open a dialog window allowing the user to load a saved program in 'run' mode or save it in 'prgm' mode.
The default model can be changed either by right-clicking on desktop icon, or if this isn't supported on your system you can access the configuration dialog from a terminal window using the command flatpak run io.github.mike632t.x11-calc --setup
Note - The following fonts should be installed xfonts-base (Debian/Ubuntu), xorg-x11-fonts-base or xorg-x11-fonts-misc (Fedora), font-misc-misc (Gentoo).
Screenshots
Observed history
| App | Change | Version | When ↑ |
|---|
No observed changes yet.
The initial import establishes a baseline. Future version changes will appear here.
Browse the app catalogue →Upstream releases
Release notes supplied by the developer. These dates are not Flathub package publication times.
0.26.025120 Mar 2026
Improvements to the user interface to allow users can now resize the window and copy contents of the display using Ctrl-C
0.23.022623 Dec 2025
Fixed bug that caused the geometry to be ignored if value was zero
0.23.022414 Dec 2025
Updated and improved HP67
0.19.019926 Oct 2025
Implemented HP67 card reader



