Performing Standard Math Calculations; Cursor Basics - Sharp EL-9900 Operation Manual

2. Performing standard math calculations

By utilizing the + - | and = keys, you can perform the standard
arithmetic calculations of addition, subtraction, multiplication, and division. Press
E to perform each calculation.
Perform an
arithmetic
calculation
Using
parentheses
Note:

Cursor Basics

The cursor indicates where the next entry will be placed. The cursor may be placed
automatically to different areas by various functions and tools, or can be moved
around by using the ; ' { } keys. Use the cursor keys to select a
menu item, select a cell item in a matrix, and trace along a graph.
Chapter 2: Operating the Graphing Calculator
Example
Obtain the answer to "6
–
2".
# C 6 | 5 + 3
- 2 E
With the ( and ) keys, parentheses (round brackets)
can be added to group sections of expressions. Sections within
the parentheses will be calculated first. Parentheses can also be
used to close the passings of values in various functions, such as
"round(1.2459,2)".
Example
Obtain the answer to "(9
–
(5 3)".
# C ( 9 + 7
) | ( 5 - 3
) E
The multiplication sign "
be abbreviated if it proceeds a math function, a parenthesis "(", or
a variable. Abbreviating "(1
error.
×
+
5 3
×
+
7)
×
", as the one in the above example, can
×
+
2) 3" to "(1
+
2) 3" will result in an
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