Sharp EL-1801C User Manual

– 1 –

Thank you for your purchase of the SHARP electronic calculator, model EL-1801C.
Your SHARP calculator is specially designed to save work and increase efficiency in
all business applications and general office calculations. Careful reading of this manual

will enable you to use your new SHARP calculator to its fullest capability.

Page

• OPERATING CONTROLS ....................................................................................

1

• INK ROLLER REPLACEMENT ............................................................................

2

• PAPER ROLL REPLACEMENT ...........................................................................

3

• BATTERY REPLACEMENT .................................................................................

3

• HOW TO CONNECT THE AC ADAPTOR (OPTION) ..........................................

4

• ERRORS ...............................................................................................................

4

• SPECIFICATIONS ................................................................................................

4

• CALCULATION EXAMPLES ................................................................................ 45
• TAX RATE CALCULATIONS ................................................................................ 54

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. Since this product is not waterproof, do not use it or store it where fluids, for example

water, can splash onto it. Raindrops, water spray, juice, coffee, steam, perspiration,
etc. will also cause malfunction.

4. If service should be required, use only a SHARP servicing dealer, a SHARP

approved service facility or SHARP repair service.

5. If you pull out the power cord to cut electricity completely or replace the batteries,

the presently stored tax rate will be cleared.

“OFF”:

Power OFF

“•”:

Power ON. Set to the non-print mode.

“P•IC”:

Power ON. Set to the print and item count mode.

For addition or subtraction, each time 

+

 is pressed, 1 is added

to the item counter, and each time 

–

 is pressed, 1 is subtracted.

• The count is printed when the calculated result is obtained.

• Pressing of 

, 

C CE

 

C CE

 clears the counter.

Note:

The counter has a maximum capacity of 3 digits (up to ±999). If

the count exceeds the maximum, the counter will recount from

zero.

“F”:

The answer is displayed in the floating decimal system.

“2,0”: Presets the number of decimal places in the answer.

“A”:

The decimal point in addition and subtraction entries is automatically

positioned to the 2nd digit from the lowest digit of entry number. Use

of the add mode permits addition and subtraction of numbers without

entry of the decimal point. Use of 

, 

 and 

 will automatically

override the add mode and decimally correct answers  will be printed.

Example:  Set Decimal Selector to 2.

4 ÷ 9 = 0.444 ... , 5 ÷ 9 = 0.555 ...

OFF

ON

•

P•IC

F

2

0

A

Note: The decimal point floats during successive calculation by the use of

 or 

.

If the decimal selector is set to “F” then the answer is always rounded down

( ).

5/4

#

4 

 9 

5 

 9 

5/4

0.44

0.56

0.44

0.55

SHARP will not be liable nor responsible for any incidental or consequential
economic or property damage caused by misuse and/or malfunctions of this product
and its peripherals, unless such liability is acknowledged by law.