Not Defined
Cause (f(x) and g(x) feature):
• You attempted to calculate f(x) or g(x) with f(x)/g(x) undefined.
Action:
• Define f(x) or g(x) before calculating f(x)/g(x).
Cause (Vector app):
• The vector you are trying to use in a calculation was input without
specifying its dimension.
Action:
• Specify the dimension of the vector and then perform the calculation
again.
Before Assuming Malfunction of the
Calculator...
Note that you should make separate copies of important data before
performing these steps.
1. Check the calculation expression to make sure that it does not contain
any errors.
2. Make sure that you are using the correct calculator app for the type of
calculation you are trying to perform.
• To check which calculator app you are currently using, press . This
highlights the icon of the calculator app currently in use.
3. If the above steps do not correct your problem, press the key.
• This causes the calculator to perform a routine that checks whether
calculation functions are operating correctly. If the calculator discovers
any abnormality, it automatically initializes the calculator app and
clears memory contents.
4. Return the calculator settings (except for Contrast and Auto Power Off)
to their initial default settings by performing the procedure below.
(1) Press , select a calculator app icon, and then press .
(2) Press , and then select [Reset] > [Settings & Data] > [Yes].
Replacing the Battery
If the screen shown below appears right after you turn on power, it means
that remaining battery power is low.
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