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Sostituzione batteria Casio FX-991ES Plus

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Casio FX-991ES Plus Battery Replacement: crwdns2935265:00crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

  • Make sure the calculator is off. If not, turn it off by pressing the [Shift] button then the [AC] [OFF] button.

Assicurati che la calcolatrice sia spenta. Se non lo fosse, spegnila tenendo premuto il pulsante [Shift] e premendo contemporaneamente il pulsante [AC] [OFF].

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