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Sharp calculator I spilled coke on my desk and it got under my calculator--now the number keys don't work...what can I do

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Re: sharp calculator

Don't know what model of Sharp you have but most sharps you can take keyboard apart and clean the rubber keypad magnets and the mylar circuit with warm water. let dry and reinstall. Check to see if Coke did not get in other parts. Do not use anything strong such as thinner. Rubbing alschol is good because it evaporates. Good luck

Posted on Jun 28, 2008

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Why won't my calculator add or substract?

It looks like it may have adding machine logic.

Do this key sequence:

5 + 5+ 6-. Is the answer 4?

Each number you enter is positive or negative and it is just keeping a running total, rather than adding and subtracting numbers.

Let me know if this helps.

Good luck.


Jul 22, 2014 | Sharp EL-2630PIII Desk Calculator 12-Digit...

1 Answer

Ti89 responds to resets but nothing else

If the calculator is several years old it may be showing its age.
There is a connection point between the keyboard and the display
that over time loses its efficiency. Try this: press a number key
and at the same time apply pressure with your thumb or index
finger to the region of the calculator just below the display.
If you press hard, the number may just show up in the display.
This is a test for the tightness (or electrical efficiency) of the
keyboard-to-display connections.
Another way to make this test is to twist the calculator while
you depress a number key.
Sometimes the effect is such that the keys on one side or the
other work, or don't work, and the keys in the middle don't work
or work okay. By twisting (don't break it!) the calculator body
while you press the keys will show the weakness of the
connector between the display and the keyboard.
This can be repaired by a good electronic technician if you
explain to him what I just told you.

Aug 29, 2011 | Texas Instruments TI-89 Calculator

1 Answer

Coffee spilled on adding machine

The sugar is the problem, To solve it you must disassemble the keyboard wast it out with hot water let everything dry then reassemble. an awful lot of work for a inexpensive calc.


Sep 21, 2009 | Sharp EL-1801P Calculator

1 Answer

I just want to find out how to use the simple functions of my desk calculator, ie. add, and multiply in one operation and so on.

Usually you enter the first number then you press the key ( +, -, x or /) corresponding to the operation you want to perform and you press the equal sign (=).
ex: 15+3=18

Often you can perform the operations one after the other without bothering with the intermediate results. You can do so provided you respect the priority rules: parentheses,powers, multiplication/division, addition/subtaction...)

Hope it helps

Aug 18, 2009 | Sharp EL-1750PIII Calculator

1 Answer

How do I print a date format with sharp el 1801PIII?

To print the current date press once the Clock/Calendar key and then press once the Non Add/ Subtotal key (# key)
To print out any other date (or codes and other numbers that are not part of a calculation) just type it and then press the Non Add/ Subtotal key (# key). The date/number will be printed preceded by the # sign.
You may also want to download the SHARP EPL-1801PIII Operation Manual

Jun 04, 2009 | Sharp EL-1801P Calculator

2 Answers

Where is shift log feature in sharp EL-531 W calculator

The [2ndF] key allows access to other functions. I do not have the calculator under my nose, but I suspect under the [2ndF][LOG] you access the 10 to the power x function [10^x] or [10 to the x].
Hope it helps.

Apr 08, 2009 | Sharp EL-531VB Calculator

2 Answers

Ti-84+ turns on but no key function

Hi everyone,
I just had the same problem with my calculator. Only the On button worked, but nothing else. So I plugged in my calculator to my computer and I reinstalled the latest OS (2.43 I think). That didn't do anything, so I reinstalled OS version 2.22, a very old one. That made my calculator work! I think there is a problem with the 2.43 OS. I haven't tried upgrading my calculator any higher than 2.22. I'm sure 2.30 could work. Good luck. If anyone needs help in installing a new OS, I can help you.
-Eugene C.

Jan 02, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

Sharp calculator

I had the same problem happen to me. What I did was carefully take the calculator apart using a T-10 Torx screwdriver to remove the back cover. I then used a compressed air can and blew air into all the crevices and holes in the calculator. I was able to dry almost all of the soda the spilled, however some of the soda dried and turned into somewhat of a sticky mess. I was able to carefully wipe the sticky parts clean with a tissue. After doing all of that my calculator worked perfect.

Nov 15, 2008 | Texas Instruments TI-84 Plus Silver...

1 Answer

FIX numbers

If you press the setup key then 1 under FSE it will say TAB (0-9)? enter the amount of decimal places you want and it will change that for you.

Dec 06, 2007 | Sharp EL-531VB Calculator

1 Answer

Number 2 key not working

Get a new calculator you stupid *****.

Sep 14, 2007 | Sharp EL-733A Calculator

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