Sharp COMPET QS-2130, QS 2130 - Twin Powered Display 12 Digit Operation Manual

QS-2130

ELECTRONIC CALCULATOR

OPERATION MANUAL

MODEL

OPERATIONAL NOTES

Thank you for your purchase of the SHARP electronic calculator, model QS-2130.

To insure trouble-free operation of your SHARP calculator, we recommend the following:

1. The calculator should be kept in areas free from extreme temperature changes, moisture, and
dust.

2. A soft, dry cloth should be used to clean the calculator. Do not use solvents or a wet cloth.

3. The solar cell is delicate. It should not be pressed or tampered with.

4. If service should be required on this equipment, use only a SHARP servicing dealer, a SHARP
approved service facility or SHARP repair service where available.

THE KEYBOARD

Solar cell

4

3

1 2

5

22

OPERATING CONTROLS

1

CONSTANT MODE SELECTOR:

“K” position: The following constant functions will be performed.
Multiplication: The calculator will automatically remember the first number entered

(the multiplicand) and the instruction.

Division: The calculator will automatically remember the second number entered

(the divisor) and the instruction.

“•” position: Neutral

2

ROUNDING SELECTOR:

“ ” position: In multiplication and division, an answer is rounded up.

Example: Set decimal/add mode selector at A, 5/4

A. Enter 12 3 Read 12.30

B. Enter 123 Read 123.

1 00 12’300.00

C. Enter 2 Read 2.

3 0.67

4

ACCUMULATION SELECTOR:

“∑” position: This selector will accumulate the following:

1. Numbers entered or answers obtained with the and keys will
be accumulated in the 1st memory register.

7

ITEM COUNT KEY:

The counter will count the number of times that the key has been depressed in the
addition.
Note: Each time the key is used in the subtraction, 1 will be subtracted from the

count.
When the key is pressed once, the number stored is displayed and may be used for
further calculation. To clear the counter, press the key twice. The counter has the
capacity of a maximum of 3 digits (up to 999). If the count exceeds 999, the counter
recounts from 0 (Zero).

8

RIGHT SHIFT KEY:

Operation of this key in entering numbers or calculated result shifts the number one

11

CHANGE SIGN KEY:

Changes the sign of a number from a positive to a negative or a negative to a positive.

Positive Negative

Example: 5 → 5.–

12

POWER ON/CLEAR KEY:

Clears the contents of the calculator, excluding the memory register.

•

Press the key whenever there are no display indicators, meaningless display
figures or signs appear or the keys do not function despite sufficient light.

13

0

00

to

9

NUMERAL KEYS:

Used to enter numbers.

14

DECIMAL POINT KEY:

Inputs the decimal place when depressed before or after a numeric entry.