To attach the front cover
When you are not using the calculator, remove the front cover (①) and
attach it to the front (②).
Important!
•
Always attach the front cover to the calculator whenever you are not using it.
Otherwise, accidental operation of the key can cause the power to turn on and
run down the battery.
Turning Power On and Off
Press
to turn on the calculator.
Press (OFF) to turn off the calculator.
Note
• To turn on power, long-press . To avoid turning on power accidentally, the top of
key is slightly lower than the other keys.
• If the screen shown below appears right after you turn on power, it means that
remaining battery power is low.
11
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