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14
Chapter 2: Operating the Graphing Calculator
1. Entering numbers
Use the number keys (0 ~ 9), decimal point key (.), and negative
number key (_) to enter numbers into the calculator. To clear the screen entry,
press C.
Example
Type 10.23456789 onto the
Calculation screen.
1. Enter the Calculation screen,
then clear the screen entry:
# C
2. Enter numbers with the number keys and decimal point key, as
follows:
10 . 23456789
Note: $ can be used to enter a value in scientific notation.
Example
6.3
× 10
8
+ 4.9 × 10
7
# C 6.3 $ 8 + 4.9
$ 7
The negative number key _ can be used to enter numbers,
lists, and functions with negative values. Press _ before
entering the value.
Note: Do not use the - key to specify a negative value. Doing so
will result in an error.
Example
Type -9460.827513 into the
Calculation screen.
# C _ 9460.827513
Number entry
Entering a
negative value