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OPERATION
This section of the Manual details each function of the Calculator. Study the
following information to become familiar with the Calculator and its operation.
OPERATING FEATURES
Figure 1 points out the operating features of the Calculator. Each feature Is
described below.
1.
8-DIG IT DISPLAY — Displays the numbers entered by the keyboard or
the result of a calculation.
2.
NEGATIVE NUMBER INDICATOR - Center segment (-) lights to
indicate a negative number.
ENTRY OVERFLOW — Lights {E) when the 8-digit input capacity of the
Calculator has been exceeded. The display shows only the first eight digits
entered.
OUTPUT OVERFLOW — Lights (o) when the result of a calculation
exceeds the Calculator 8-digit display capacity. The display shows only the
"most significant" numbers cf the calculation. See the "Overrange"
section on Page 16.
LOW BATTERY INDICATOR — Lights (L) when the battery voltage
drops to a level where further calculations (in excess of fifteen minutes)
may no longer insure accurate results.
3.
BATTERY SAVER MODE INDICATOR - Approximately 15 second!
after the last entry is made on the keyboard, the display, except for th<
center segment of the center digit (—J, will disappear. This indicates the
Calculator has gone into its "battery saver mode" to conserve the battery
4.
(D) DISPLAY RECALL KEY — Pressing the D key, while the Calculator i:
in the battery saver mode, wilt cause the last display to relight.
5.
(K) CONSTANT SWITCH - Slide this switch upward (t) before you entei
a number that will be used as a constant for multiplication or division. The
constant (K) is the number and function (X or *r) entered. This constant *!!
remembered by the Calculator for each new problem unti) the CLEAR |C.'
KEY is pressed. The switch should be left in the upward position until the
end of calculations that no longer require a constant
6.
NUMBER ENTRY KEYS — Use these keys to enter numbers into the
Calculator.
7.
(•) DECIMAL POINT ENTRY KEY — Press this key to enter a decima
point in the number being entered into the Calculator. This key must be
pressed in the proper sequence with the number keys to enter the decimal
point at the proper position.
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