7
If results don’t display as you expect …
If you keep having problems when you are trying to perform operations, try the following before assuming that there
is something wrong with the calculator.
1. Check your settings, especially angle unit and rounding – see page 6.
2. Check your input. Have you used the correct symbol such as
- or n, f or ?
3. For graphs, check your V-Window settings.
4. For graphs, check there are no functions that you cannot see lower down the input screen that could be causing problems.
5. Perform a memory reset – see page 8.
6. There is a full list of error messages, and what causes the error, in the Appendix of the manual.
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