There is no hardware reset button on the back. How do you reset an electronic scientific calculator? This product, except consumables or articles with limited resistance (e.g.battery, case), is warranted by CASIO and its distributors to the original purchaser to be free from defects of quality at the time of delivery for a period of one year from the date of purchase (“warranty period”). Casio Frequently Asked Questions – Calculators.
Users can switch the calculator’s mode using the keypad. How do I fix my calculator when it says fix?
What kind of power supply does a Marchand Elec have?.
