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소개
When you remove your calculators AAA batteries, or if they die, the backup battery powers the calculator so your information is not lost. If you seem to lose programs or variables in your calculator, you may want to replace your backup battery.
필요한 것
거의 끝나갑니다!
To reassemble your device, follow these instructions in reverse order.
결론
To reassemble your device, follow these instructions in reverse order.