In Case Of Difficulty - Texas Instruments BA II PLUS User Manual

In Case of Difficulty

If you have difficulty operating the calculator, you may be able
to correct the problem without returning the calculator for
service. This table lists several problems and possible solutions.
Difficulty
The calculator
computes wrong
answers.
The display is blank;
digits do not appear.
The calculator does
not display the
worksheet variables
that you expect.
The calculator does
not display the
number of decimal
places that you
expect.
The calculator does
not display the date
format that you want.
The calculator does
not display the
separator format that
you want.
The calculator does
not display the
expected result in a
math calculation.
An error occurs.
If you experience difficulties other than those listed above,
press & } ! to clear the calculator, and then repeat
your calculations.
Appendix: Reference Information
Solution
Check the settings of the current worksheet to
make sure they are right for the problem you
are working; for example, check
BGN in the TVM worksheet. In the TVM
worksheet, also check to make sure that the
unused variable is set to zero.
Select the worksheet again. Be sure the
battery is properly installed; replace the
battery if necessary.
Be sure the calculator is in the correct
worksheet.
Press & | to check or adjust the setting
for number of decimal places to be displayed.
Press & | # # to check or adjust the
setting for date format.
Press & | # # # to check or adjust the
setting for separator format.
Press & | # # # # to check or adjust
the setting for calculation method.
Check the errors listed in "Error Conditions."
END and
133