Question about HP 12c Calculator

I changed the batteries in my HP 12C and it displays zeros. The key do not function including the on/off button.

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Perhaps a the connections are dirty (battery connections) or you may have the wrong battery type/model

Posted on Feb 11, 2009

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Posted on Jan 02, 2017

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No, they're not related.

To switch the radix mark, turn the calculator off, press and hold the decimal point key, press the ON key, then release both keys.

To switch the radix mark, turn the calculator off, press and hold the decimal point key, press the ON key, then release both keys.

Feb 18, 2013 | HP 12c Calculator

No, they're not related.

To switch the radix mark, turn the calculator off, press and hold the decimal point key, press the ON key, then release both keys.

To switch the radix mark, turn the calculator off, press and hold the decimal point key, press the ON key, then release both keys.

Feb 18, 2013 | HP 12c Calculator

To switch from Date-Month-Year to Month-Date-Year, press g [M.DY]

M.DY is the g-shifted function of the 5 key.

M.DY is the g-shifted function of the 5 key.

Jan 26, 2013 | HP 12c Calculator

Press "f" then the digit representing the number of digits you want after the decimal point.

Aug 22, 2012 | HP 12c Calculator

Hi,

P12c display from Comma to Point This document describes how to change the display of the decimal point on the HP 12C (HP12C) Calculator from a comma (commas) back to a decimal point.

**Instructions**

Explanation The comma is the European equivalent of the decimal point.

This procedure is also applicable to HP12CP (Hewlett-Packard 12c Platinum) and HP12CPA (Hewlett-Packard 12c Platinum 25th Anniversary Edition).

Let me know, if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

P12c display from Comma to Point This document describes how to change the display of the decimal point on the HP 12C (HP12C) Calculator from a comma (commas) back to a decimal point.

- Turn off the calculator.
- Hold down the decimal point.
- Continue to hold the decimal point key, while turning on the calculator.

Explanation The comma is the European equivalent of the decimal point.

This procedure is also applicable to HP12CP (Hewlett-Packard 12c Platinum) and HP12CPA (Hewlett-Packard 12c Platinum 25th Anniversary Edition).

Let me know, if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Feb 04, 2010 | HP 12c Calculator

Check this HP FAQ:

Setting a Fixed Decimal Place You can download the manual and user guides for your calculator from here:

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&dlc=en&cc=us&product=81575&lang=en&

For more information, Faqs & how-Tosgo the HP support homepage for your calculator:

http://h10025.www1.hp.com/ewfrf/wc/product?lc=en&dlc=en&cc=us&lang=en&product=81575&

Introduction This document describes how to set the desired number of decimal places on the HP 12c calculator in standard format. It also covers how to enter a number in scientific notation. Instructions for standard format

Introduction This document describes how to set the desired number of decimal places on the HP 12c calculator in standard format. It also covers how to enter a number in scientific notation. Instructions for standard format

Setting a Fixed Decimal Place You can download the manual and user guides for your calculator from here:

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&dlc=en&cc=us&product=81575&lang=en&

For more information, Faqs & how-Tosgo the HP support homepage for your calculator:

http://h10025.www1.hp.com/ewfrf/wc/product?lc=en&dlc=en&cc=us&lang=en&product=81575&

Introduction This document describes how to set the desired number of decimal places on the HP 12c calculator in standard format. It also covers how to enter a number in scientific notation. Instructions for standard format

- Press and release .
- Press the number key for the desired number of decimal places to be displayed to the right of the decimal point (0 through 9). The calculator displays a maximum of 10 digits.

Introduction This document describes how to set the desired number of decimal places on the HP 12c calculator in standard format. It also covers how to enter a number in scientific notation. Instructions for standard format

- Press and release .
- Press the number key for the desired number of decimal places to be displayed to the right of the decimal point (0 through 9). The calculator displays a maximum of 10 digits.

Aug 24, 2009 | HP 12c Calculator

I received lots of help online regarding the problem I was having with my HP-12C. Thankyou so much.

Apr 05, 2009 | HP 12c Calculator

Begin - Press the blue "g" button then 8 ("end") to remove begin. Press the blue "g" and 7 ("BEG") to toggle back to having "Begin on display.

Feb 17, 2009 | HP 12c Calculator

It's been awhile since I used one of these but there should be a decimal function on the keys. Make sure you put a 2 in there before pressing it and it should display the format using 200.00

Nov 30, 2008 | HP 12c Calculator

Turn the calculator off, then press and hold down the .(decimal key) while you press the on button. Doing so again sets the calculator to use the original digit separators in the display

May 10, 2007 | HP 12c Calculator

Feb 26, 2015 | HP 12c Calculator

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I took out the battery on the non spring end and cleaned the connection. When I replaced it I had key function again. Don't know if something was obstructing or taking out and replacing just one baterry was the solution. It is working so all is well that ends well. Thanks

I have the same problem and tried cleaning the battery connections with no luck. The replacement batteries I used are Energizer 357/303 batteries. Do you know if these are the wrong batteries? These are the ones they told me to use at the store.

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