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Oreva FX-82MS Battery Replacement

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Oreva FX-82MS Battery Replacement: crwdns2935265:00crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

  • Turn off the calculator by pressing the [Shift] button and then press the [AC][OFF] button, (while keeping the [Shift] button pressed down).

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