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Chapter 2: Operating the Graphing Calculator
• About the order of precedence of the multiplications, that the
multiplication sign "×" before such as "(", π and a variable is
abbreviated, are higher than that of the multiplications that the
multiplication sign "×" is not abbreviated. Therefore, if there is a
division before a multiplication, the order of calculations may be
changed and then the calculation results may be changed.
Example
48 ÷ 24 × (6 + 2) =
48 = 24 | ( 6 + 2 ) E
→ 16 [ (48 ÷ 24) × (6 + 2) = ]
48 = 24 ( 6 + 2 ) E
→ 0.25 [ 48 ÷ (24 × (6 + 2)) = ]
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:
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.
46
5 | E
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