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Manual for HP-10B business Calculator - HP Office Equipment & Supplies

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Posted on Sep 29, 2010

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Posted on Jan 02, 2017

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SOURCE: Setting number of decimal places on a HP 10B

Press SHIFT [DISP] and the number of decimal digits you want.

Posted on Dec 14, 2010

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SOURCE: Need manual for a 10B hand held business

Assuming you mean either the HP 10b or the HP 10bII, select the desired manual:

Posted on Sep 28, 2011

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I need to open my calculator hp10b

If this is an original HP model 10B or 10BII, it is held together by melted plastic studs. You will have to remove some plastic to open it and putting it back together means you will need to find another means to fasten it.
There is some advice (without pictures or video) at

Jun 28, 2015 | HP 10b Calculator

1 Answer

Manual for HP 10B business calculator

You may download a free copy of the manual here.

Jan 26, 2012 | HP Office Equipment & Supplies

1 Answer

Display is faint and to light to read

Turn the calculator on. Hold down the "C" key (just above the ON key) and press + to darken the screen. If you go too far, use the C and - keys to lighten the screen.

Jan 21, 2012 | HP 10b Calculator

1 Answer

Need manual for a 10B hand held business calculator

Assuming you mean either the HP 10b or the HP 10bII, select the desired manual:

Sep 28, 2011 | Office Equipment & Supplies

1 Answer

How to clear RAD on the display of the HP 10b ?

For what purpose? If you are not doing trigonometric calculations it will not matter. It merely reminds you that the angle unit (for trigonometry calculations) is set to RADians.
If you need to change the angle unit to degree or grad do so. The new unit will replace RAD.

Jul 12, 2011 | HP 10b Calculator

1 Answer

I wonder what is the model of the battery using on HP 10b

HP 10b Calculator requires two CR2032 Lithium batteries. The battery is 3 Volts, 3/4" in diameter and has an estimated life of three years. Replace the battery with CR2032 or an equivalent one.The following brands are used interchangeably for this item: Energizer (ECR2032), Duracell, Panasonic, Eveready, and 3M etc, which can be purchased from any local electronics store.

For further information you may refe to HP 10b Manual
Dont forget to appreciate the solution if I could have been of any help!

Feb 27, 2011 | HP 10b Calculator

1 Answer

Setting number of decimal places on a HP 10B business calculator

Press SHIFT [DISP] and the number of decimal digits you want.

Dec 14, 2010 | HP 10b Calculator

1 Answer

Instructions for HP 10B Business calculator.

If you were to log on to the manufacturer's web site, I think you will be pleasantly surprised as usually one is able to download, by model number, Customer Instruction Manuals, list of Dealers and Driver downloads as required.

Just Google the manufacturer's name and follow the links. Make certain you are directed to the manufacturer's web site as some search engines direct you to other sites and they charge for the information that is normally free of charge.

I hope this helps.

Nov 04, 2010 | Computers & Internet

1 Answer

Replace the batteries of HP 10B calculator

Make sure the calculator is turned off. Press down and outward on the battery compartment cover until it slides off. Turn the calculator over and shake the batteries out. Insert the new batteries, orienting them according to the diagram inside. Slide the cover back into the slot.

Oct 21, 2010 | HP 10b Calculator

1 Answer

STuck on screen

take the battery out and put back again it will reset the whole calculator

Jan 15, 2009 | HP 10bII Calculator

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