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•Keep the calculator dry. If it gets wet, wipe it dry immedi- ately.
•Handle the calculator gently and carefully. Don’t drop it.
•Use and store the calculator only in normal temperature environments.
•Keep the calculator away from dust and dirt.
•Wipe the calculator with a damp cloth occasionally to keep it looking new.
Modifying or tampering with the calculator's internal components can cause a malfunction and might invalidate the calculator’s
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