Using add-on software with your fx-CP400

August 6, 2018 ยท View on GitHub

After you've patched your calculator's firmware (and copied the launcher), it's easy to run add-on software.

Simply take the .hhk file of the add-on, and place it into the root directory of your calculator's flash memory. Open the launcher (currently in the System app, accessed through the System > Imaginary Unit menu) and select the application you wish to launch from the list.

Tap 'Run' to launch the application.

The Hollyhock Launcher opened, with the app "Tetris" selected from the drop down menu.