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8.
(+ =) PLUS-EQUALS (TOTAL) KEY — This key performs two operations:
The (+) locks in a positive number entry and the (=) gives the total to a
calculation. Press this key right after the entry of:
A.
A positive number when adding or subtracting.
B.
The last number of a multiplication problem to find the total,
C.
The last number of a division problem to find the total.
9.
(X) MULTIPLICATION KEY — Push this key before you enters number
to be multiplied by an existing number in the Calculator,
10.
LH DIVISION KEY — Push this key before you enter a number to be
divided into an existing number in the Calculator,
11-
(-
MINUS-EQUALS (TOTAL)
KEY - This key performs two
operations: The {-) locks in an entry as a negative number and the (-) gives
the total to a calculation. Press this key right after the entry of:
A,
A number that is to be subtracted from an existing number in the
Calculator This also gives the total of the calculation.
•• •
• • ••• •
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B.
A negative number to be used in a multiplication or division
problem.
NOTE: When you perform a subtraction problem, the Calculator actually finds
the difference between a positive and negative number by addition. The negative
number can be entered in any sequence providing the (--} key is pressed right
after the number is entered in the Calculator.
12.
(C) CLEAR KEY — Push this key to clear ail numbers in the Calculator
and reset it to zero. If a (K) constant is being used, it is also cleared.
13.
(CE) CLEAR ENTRY KEY — Push this key to clear any number shown on
the display. This key will not affect any other number or operation
previously entered into the Calculator. The (CE) key will clear an incorrect
number entry so that the correct number can be entered without
disturbing any previous entry in the Calculator.
14.
POWER SWITCH — Turns the Calculator on and off.
15.
DECIMAL POINT — Indicates the location of the decimal point in the
number shown in the display.
16.
CHARGER PLUG — Connects the Charger to the Calculator to charge the
battery when the Charger is connected to an AC outlet.
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