Question about Sharp EL-2630P Calculator

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Non functioning number key

One of the number keys (#6) does not function; for example, if I enter a number which includes a 6, the six does not get entered

what might I do to reactivate this key?

thank you

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  • Contributor
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Probably just need to resolder the switch for #6, should just need to have the soldering iron touch the solder to re melt it. worth a try.

Posted on Mar 09, 2008

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1 Answer

What is the square root of 30?


We are asking what number, times itself, is equal to 30. Five times itself is 25. Six times itself is 36. The answer is somewhere between 5 and 6. Let's split the difference and try 5.5. 5.5 times 5.5 is 30.25. This is above 30, so let's try a smaller number, 5.4. 5.4 times 5.4 is 29.16. This is lower than 30, so we need a higher number. How about 5.45? I get 29.7025. We need a number a little higher. How about 5.47? I get 29.9209. Still need a little higher. How about 5.48? 30.0304. So it is somewhere between 5.47 and 5.48.

On a calculator, you can use the square root function. Sometimes you have to enter the number before you hit the square root function and sometimes you need to enter the number after hitting the square root function. Another way of doing it is to use the exponent function, usually with a y to the x key or a ^ key. Enter 30, hit the exponent key, and then enter 1 divided by 2 in brackets.

I get approximately 5.477225575051661134569697828008.

Good luck.

Paul

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To enter a power of ten, use EE, the shifted function of the key just above the 7 key. For example, to enter 2 times ten to the 60th, press 2 2nd [EE] 6 0

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My radio code includes a zero while my prest numbers are 1 2 3 4 5 and 6. How do i enter the zero?


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How do I find logarithms on the ti89?


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Excel


Step1. Start Microsoft Excelmag-glass_10x10.gif and open the file you want to change. Step2. Double-click on the cell where you want the total to appear. Step3. Press the = key on the keyboard. This tells Excel that you are entering a formula into the cell. Step4. Enter the formula, then press Enter. Follow the steps below for an example. Step5. Enter an opening parenthesis character: (. Step6. Enter a cell name. For example: =(E2. Step7. Press the + key. Step8. Enter another cell name and a closing parenthesis character: ). For example: =(E2+E3). Step9. Enter a minus sign and a third cell name. For example: =(E2+E3)-E4. Step10. Press the Enter key to accept the formula. The cell will display the sum of the first two cells minus the third cell. $('.Article .Steps .Image').each(function(i,e){ e = $(e); e.find('img').error(function(){ $(this).unbind(); e.remove(); }); });
Tips & Warnings
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1 Answer

How to convert this copier from inch to metric system??


SELECTING THE ORIGINAL SIZE
If you loaded a non-standard size* original or the original size was not correctly detected, set the original size manually.
Perform the following steps after placing the document in the document feeder tray or on the document glass.
1 Press the [SPECIAL FUNCTION] key.
The special function
screen will appear.
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menu with the [ ] or [ ] key.
3 Press the [OK] key.
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4 Select the original size with the [ ] or
[ ] key.
The selected original size
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• To select an AB original size, press the [ ] key and
go to step 6.
• If you selected "SIZE INPUT", follow steps 4 through 6
of the procedure in "USING THE BYPASS TRAY TO
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5 Press the [OK] key.
You will return to the base
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Selecting an AB original size
6 Select the original size with the [ ] or
[ ] key.
To return to selection of inch original sizes, press the
[ ] key to return to step 4.
7 Press the [OK] key.
You will return to the base
screen and the selected original
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* Standard sizes:
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Note
DUPLEX
SPECIAL FUNCTION
ACC.
DUPLEX SCAN
DUPLEX SCAN
SPECIAL FUNCTION
SPECIAL MODES
ORIG. SIZE ENTER
PAPER SIZE SET
DISPLAY CONTRAST
GH
PQR
DUPLEX
SPECIAL FUNCTION
DUPLEX SCAN
SPECIAL FUNCTION
SPECIAL MODES
ORIG. SIZE ENTER
PAPER SIZE SET
DISPLAY CONTRAST
GHI
BACK OK
ORIG. SIZE ENTER
11x17
8 x14
81 x11
2
1
2
INCH
ORIG. SIZE ENTER
11x17
8 x14
8 x11
INCH
1
2
1
2
To cancel an original size selection, press
the [CA] key.
OK
ORIG. SIZE ENTER
A3
B4
A4
AB
OK
Note

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1 Answer

Sharp Calculator EL2630


apply a dry contact cleaner over the defective key and press it many times until it becomes fine if this does not work will.
please follow me:-1- use a *****driver and get out *****s in the bottom(normally 4-5 *****)2-open the machine you will find the keyboard and many small *****s remove all with small *****driver.
3-remove key bad out and clean it with water-dry it carefully and return it back put all *****s back and test your calculator.

Mar 05, 2008 | Sharp EL-2630P Calculator

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