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Need to reset OM98579 calculator and can't find manual

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What's your question?how can i reset my calculator

That depends on the calculator. Some calculators have a little hole in the back where you can insert a straightened paper clip to push the button inside. Some calculators can be reset by removing and reinserting the batteries. Some calculators can be reset by a keyboard combination. Refer to your manual for the exact procedure.

If you require further assistance, please repost your question and be sure to include the make and model of your calculator.

Jan 15, 2016 | Office Equipment & Supplies

1 Answer

How can i factory reset

Press the [S<=>D] key to convert from fraction to decimal and back. Any information you need is in the manual.

Aug 14, 2014 | Casio FX82ES Scientific Calculator

1 Answer

When I hit the Data button to enter my info I get STAT ERROR

No need to reset. Read the manual on how to enter data. If you have no manual, an electronic copy of it is available on the TI website.

Jun 18, 2014 | Texas Instruments TI 30XIIS Scientific...

1 Answer

Reset HP 17b11+

According to the manual:
To reset the calculator, hold down [CLR] while pressing the third menu key from the left. Repeat if necessary. The calculator displays
MACHINE RESET to confirm that reset has occurred.
The above sequence does not clear all memory and settings.

If you want to completely erase the continuous memory and return to default settings, press and hold down [CLR], the leftmost
menu key, and the rightmost menu key.(Press three keys simultaneously).
When the three keys are released, the calculator displays MEMORY LOST.

Apr 16, 2014 | HP 17bII+ Calculator

1 Answer

En mi calculadora casio algebra fx 2.0 plus me sale error data 40. quisiera saber como lo soluciono

I checked the manual for the ALGEBRA FX2.0 PLUS looking for that type of error. It is not listed. Maybe you are talking about another calculator?
Here is the link to the appendix of the manual. Part1 lists the error messages.
You can always try to reset the calculator by pressing the RESET button at the back, or use the menu icon System or Memory.

May 27, 2011 | Casio Algebra FX 2.0 Calculator

1 Answer

Cant reset tax % on my canon hs-1200tcg calculator

Press [CA] [TAX+], enter the tax rate, then press [TAX+].

If you need a manual, you can download one from the manufacturer's web site at

Jan 05, 2011 | Canon HS-1200TS Calculator

1 Answer

Reset date?

Hi,a well detailed description of how to reset the date and time on your calculator can be obtained from the manual.therefore,You can download the manual from

Thanks and take care

Jun 03, 2010 | Canon P170-DH Calculator

2 Answers

Sharp el506d calculator has the decimal in the wrong place.

Try pressing the FSE button to switch between Fixed, Scientific, Engineering, and Normal displays. When in Fixed display, you can use <2ndF> < TAB > then enter a number from 0 to 9 to choose the number of decimal places in that display. To reset EVERYTHING to factory defaults: With the calculator off, press and hold these three keys: <2ndF> < ) > < ON/C > then release all three. The calculator will go through a series of tests (it takes a few seconds) and then be at its factory defaults. I have uploaded the manual for this calculator at

Nov 21, 2008 | Office Equipment & Supplies

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