Sharp el-9950

18
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.
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
Number entry