Resetting the CASIO fx-9750GII for testing purposes
1. From the Main Menu, highlight the SYSTEM icon
and press l or press j.
2. Press y(RSET) to reset the memory. If your
screen does not match the one shown, press d
until it does.
3. Select w(MAIN) to reset the main memories, for
testing purposes.
4. Press q(Yes) to reset the memory on the
calculator.
5. Press d when the calculator is complete.
6. To return to the Main Menu, press
p.