Entering Numbers - Sharp EL-9900 Operation Manual

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.
Number entry
Note:
Entering a
negative value
Note:
14
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
$ can be used to enter a value in scientific notation.
Example
× ×
+
8
6.3 10 4.9 10
# C 6.3 $ 8
$ 7
The negative number key _ can be used to enter numbers,
lists, and functions with negative values. Press _ before
entering the value.
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
7
+
4.9