The general or simple Casio calculators are easy to reset. You get three types of options to delete all data. It includes initialize all, setup data, and clear memory. To reset your device, the procedure is as follows.
How to reset Casio
Total Time: 2 minutes
Turn the calculator on with the ON button.
Press Shift-9 to enter Reset.
Press 3 to select the
Press = to confirm the reset.
Press AC to return to normal calculation.