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Chapter 2: Operating the Graphing Calculator
7) Multiplications between a number and a function in #6
(3cos20, etc. “cos20” is evaluated first)
8) Permutations and combinations (nPr, nCr)
9) ×, ÷
10
) +, –
11
) and
12
)or, xor xnor
13
) Equalities and nonequalities (<, ≤, >, ≥, ≠, =, →deg, →dms,
etc.)
Example
The key operation and calculation precedence
5 + 2 | s 30 + 25 | 5 a 3 E
1st
2nd
3rd
6th
5th
4th
• If parentheses are used, parenthesized calculations have
precedence over any other calculations.
Error Messages
The calculator will display an error message when a given
command is handled incorrectly, or when instructions cannot be
handled correctly such that the task cannot be processed further.
Various types of error messages are given to inform users the
types of situations to be remedied.
For example, performing the
following key strokes:
5 | E
will result in an error, and the
error message will be displayed.
In such a situation, you can go back to the expression to correct
its syntax by pressing ; or ', or you can erase the
entire line to start over by pressing C.
For a list of various error codes and messages, refer to the
appendix.