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Chapter 2
Operating the Graphing
Calculator
Basic Key Operations - Standard Calculation Keys
The standard calculation keys, located at the bottom four rows of the keyboard, enable
you to access the basic functions of the 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.
In the examples and descriptions in this manual, a point is used to provide a Display
decimal point to coincide with the display of the computer.
Number entry
Example
Type 10.23456789 onto the
Calculation screen.
1. Enter the Calculation screen,
2. Enter numbers with the number keys and decimal point key, as
18
then clear the screen entry:
# C
follows:
10 . 23456789
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