Hi,

My hp 12c calculates a mortgage payment about $100 more than it should be. Is this fixable or is it history?

Thanks,

Mel

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Check to see if the word "BEGIN" appears on your screen. If so, you are calculating the payment on an "annuity due" basis, that is, the first payment is made on day one, and each period thereafter, rather than the first payment being due at the end of the first (30 days usually) period. To fix this, press the blue "g" button, and then press the number "8" (notice the word "end" printed on that key in blue ink). This should return you to the normal (first payment due at the end of the period) option.

Posted on Aug 06, 2008

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Posted on Jan 02, 2017

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HP actually provides the specific keystrokes for Canadian mortgage calculations on the HP-12C calculator in their "*Hewlett-Packard HP-12C Solutions Handbook*". The link to this PDF document is provided below. See pages 136 through 138.

http://www.hp.com/ctg/Manual/c00367122.pdf

http://www.hp.com/ctg/Manual/c00367122.pdf

Mar 12, 2015 | HP12C Finance Calculator

There is an excellent computer-based tutorial for the HP 12c Platinum on HP's website (although the sequence for TVM calculations is the same for the original 12c).

Download it and have a look. It will guide you key-by-key through the steps.

http://h20331.www2.hp.com/Hpsub/downloads/cbt_12c_platinum.zip

Download it and have a look. It will guide you key-by-key through the steps.

http://h20331.www2.hp.com/Hpsub/downloads/cbt_12c_platinum.zip

May 08, 2014 | HP 12c Calculator

The C indicates the calculator is using compound interest for the odd period. To use simple interest, press STO EEX

As for the wrong payment value, could you post an example? It's hard to tell which setting you may have wrong without some numbers.

As for the wrong payment value, could you post an example? It's hard to tell which setting you may have wrong without some numbers.

Mar 12, 2013 | HP 12c Calculator

1 0 0 0 0 0 PV 7 i 3 6 0 n PMT will give you the month payment.

Nov 06, 2010 | HP 12c Calculator

If $100,000.00 loan: enter 100000. in pv,
if interest rate is 5%,
enter 5 divided by 12 = %i
if 30 year mortgage,
enter 360 N
enter 2nd PMT to get monthly principle and interest.
You may have already solved this problem.

Aug 19, 2010 | Texas Instruments BA Real Estate...

Check to see if you are specifying the payment to be at the beginning or end of the month. This may help.

Dec 18, 2009 | HP 12c Calculator

Reset the calculator:

http://h10025.www1.hp.com/ewfrf/wc/document?docname=bpia5202&tmp_track_link=ot_faqs/top_issues/en_us/bpia5202/loc:1&lc=en&dlc=en&cc=us&lang=en&product=81575

If you need help with the calculations, check here:

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

http://h10025.www1.hp.com/ewfrf/wc/document?docname=bpia5202&tmp_track_link=ot_faqs/top_issues/en_us/bpia5202/loc:1&lc=en&dlc=en&cc=us&lang=en&product=81575

If you need help with the calculations, check here:

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

Jul 29, 2009 | HP 12c Calculator

hard reset it take the battery cell out for 30mins and try it again.

Jul 07, 2009 | HP 12c Calculator

See this handy Texas Instrument guide on calculating different formulae.

http://www.retrevo.com/support/TI-BA-II-PLUS-PROFESSIONAL-Calculators-manual/id/421ci277/t/2/

http://www.retrevo.com/support/TI-BA-II-PLUS-PROFESSIONAL-Calculators-manual/id/421ci277/t/2/

Apr 12, 2009 | Office Equipment & Supplies

Feb 26, 2015 | HP 12c Calculator

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My problem is that my HP12c calculates the mortgage payment almost twice as much as it should be.....

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