On-Off and Possible Trouble Already!

  • On Button
    Located in the lower left corner (circled in red).

  • Turning the Calculator Off
    Press the 2nd key (circled in green), then press the On button (circled in red).

    • Possible Trouble
      You turn on the calculator, and the screen is totally blank!

    • Possible Fixes

      1. Change the screen contrast
        (next page), or

      2. Change the batteries!