YOU NEED TO HAVE THE ROM DUMP OF THIS CALCULATOR TO USEIT.
(see http://sites.google.com/site/olivier2smet2/home/go1xc)

- portrait and lanscape mode.
- automatic save and load of state.
- 'ON' only active on 'longtouch' to avoid mistakes.
tests supported (use 'press on' menu when calculator is off thenpress '+-/*,'.
- speed up from x1 up to x4.
- full textual programming mode (needed due to keyboardremapping).

On S5 devices, long press the right hardware button to get themenu.