① Reset your calculator's settings.
(1) h > System
(2) Select [Reset] > [Settings].
(3) On the dialog that appears, select [OK].
If this does not resolve the problem, try step ②.
② Press the RESTART button to restart your calculator.
Important!
• When you press the RESTART button to restart the calculator, data already stored in the memory of
the calculator is normally retained. However, data that is being edited or data that is being entered
but not yet finalized at the time RESTART is pressed is not retained.
After you press the RESTART button, configure all of the following settings that appear sequentially on the
screen: Language, Country (fx-CG100 only), Display Settings, Power Properties, Battery Settings.
For information about each setting, see
If this does not resolve the problem, try step ③.
③ Reset calculator memory.
Before performing the operation below, make sure to copy any important data stored in the calculator. Step
(2) deletes all the data in your calculator's Main Memory. Step (3) returns all calculator settings to their initial
defaults and erases all data in Main Memory and Storage Memory.
(1) h > System
(2) Execute [Reset] > [Main Memory].
(3) If the operation does not improve, execute [Reset] > [Initialize All].
For information about the reset operation, see
Low Battery Warning
If the Low Battery Warning below appears, immediately turn off your calculator and replace its batteries.
Important!
• If you continue to use your calculator without replacing the batteries after the low battery warning
appears, it will automatically turn off to protect memory contents, and you will not be able to turn it on
again.
• Leaving the unit without replacing the batteries after the low battery warning appears may cause the
memory contents to be cleared.
• After the low battery warning appears, you will not be able to transfer data to a computer until you
replace the batteries.
"System App" (page
199).
"Resetting the Calculator (Reset)" (page
14
RESTART button
199).
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