User Manual Q&AAnswer
Nov 05, 2024 - 03:55 AM
To turn on the Mr. Pen IRKL001M249 Standard Function Calculator, slide the power switch located on the calculator. The power switch is typically located on the side or back of the calculator. Once the switch is in the "on" position, the calculator will be ready for use. If the calculator does not turn on, check the battery's polarity and replace it if necessary. For more detailed instructions, please refer to the user manual that comes with the calculator.
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