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Technical Data
Troubleshooting
If the result of a calculation is not what you expected,
or if an error occurs please carry out the following
steps.
1. Press the
to reset all modes and settings.
2. Check that the formula or expression you entered
is correct.
3. Selected the correct mode and try the calculation
again.
If the problem persists, press
perform a self-check and, if an abnormality is found,
clear all stored data. For this reason, you should
always have a copy of all important information kept
separate from the calculator.
Error Messages
If an error message occurs, the calculator stops
running immediately. Press
message, or press
calculation so that you can correct it.
Math ERROR
Causes
Correction
or
• The result exceeds the calculator's
computational range.
• You tried to enter a value that exceeds
the calculator's input range.
• The operation requested is not
mathematically valid (for example,
dividing by 0).
• Check that the input value is within the
allowable input range. If you are using
memory variables, check that the stored
values will not cause the calculator to
exceed its computational range.
(Mode)
. The calculator will
to clear the error
to redisplay the
29
keys in that order
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