Table of Contents
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Display
0,
1 ,
1.
1.6
7.6666666
Display
5.
Display
o.
5.
5.
4.
9.
3.
6.
Multiplication and Division
Keyboard Entry
Display
7
7.
llil
7.
9
9.
El
63.
6
6.
El
10.5
Notice that the display shows each new
numerical entry as you depress the number
entry keys and the result of the previous
arithmetic calculation when you depress
an arithmetic function key.
Addition and'Subtraction
Keyboard Entry
ICE/cl
5
G
4
EJ
3
El
MIXED (CHAIN) CALCULATIONS
Addition, subtraction, multiplication, and
division operations may be intermixed, or
chained, as shown below:
(5
+
6) 7 - 8
9
Keyboard Entry
5
When you want to enter a decimal number,
depress theOkey following the number
after which you want the decimal point
located.
To enter 1.6:
Keyboard Entry
ICE/cl
1
o
6
display shows the following:
Keyboard Entry
Display
2
2.
4
24.
ARITHMETIC OPERATIONS
The arithmetic function keys,
G ,G , 0
and
El ,
enter the desired arithmetic
operation to be performed. The answer to
such an operation is obtained by depress-
ing one of the answer keys,
G
or
ffi} ,
or
by another depression of an arithmetic
function key. Because this calculator has
a FLOATING DECIMAL, it automatically
places the decimal point in the correct
position in your answers.
BASIC CALCULATIONS
Your Rockwell 18R performs arithmetic
calculations with algebraic logic. This
means your calculator works the same way
you think or write a problem.
6
7
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