press the "2nd" button, and then press "On"
Chat with our AI personalities
Perhaps you have to change the battery. It is also possible that the calculator is damaged.
On normal calculator, press 'Off'. If your calculator doesn't have this button, the calculator will turn off automatically after some time. On scientific calculator, press 'shift' and press 'AC'. (depends on your version of the calculator)
53045, and then turn the calculator upside-down
By using a calculator:)
Try 2nd and then press de on button