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Safety Precautions
Be sure to read the following safety precautions before using this
calculator. Keep this manual handy for later reference.
Caution
This symbol is used to indicate information that can result in
personal injury or material damage if ignored.
Battery
•After removing the battery from the calculator, put it in a safe
place where it will not get into the hands of small children and
accidentally swallowed.
•Keep batteries out of the reach of small children. If accidentally
swallowed, consult with a physician immediately.
•Never charge the battery, try to take the battery apart, or allow
the battery to become shorted. Never expose the battery to
direct heat or dispose of it by incineration.
•Improperly using a battery can cause it to leak and damage
nearby items, and can create the risk of fire and personal injury.
•Always make sure that the battery’s positive
k
and negative
l
ends are facing correctly when you load it into the
calculator.
•Remove the battery if you do not plan to use the calculator
for a long time (fx-82ES/fx-83ES/fx-350ES).
•Use only the type of battery specified for this calculator in
this manual.
Disposing of the Calculator
•Never dispose of the calculator by burning it. Doing so can
cause certain components to suddenly burst, creating the risk
of fire and personal injury.