Question about HP 10b Calculator

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My HP 10B calculator keeps calculating the wrong YTM.

Hello, I have an HP 10B financial calculator and I am having trouble calculating YTM. I enter the PMT, the N value, the PV (with a negative before it), and the FV, and keep getting the wrong YTM. What's going on?

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Posted on Jan 02, 2017

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SOURCE: incorrect claculation

I get an answer of 366.91 in my 12C as well. You might try either putting in a zero for FV before hitting the [PMT] key, or clearing your registers before doing the problem, as you may be picking up an old value from a previous problem in the FV register.

Posted on Jan 30, 2008

  • 1 Answer

SOURCE: invalid computation

Hmmm, I don't think the problem is with your calculator. I'd be checking the accounting question again as I don't think you've got your annuity question structured right.

4 Year Annuity
14% Annual Interest Rate
Your contributing $4,000 per year over the next 4 years
and you already know the future value is $50,069?

You'd have to make annual payments of $11,878.93 (4 of them) at that annual interest rate to get to a future value of $50,069 (which has a present value of $43,632.24).

Are you sure that the FV isn't the trade in value at the end of the 4 years?

Posted on Mar 30, 2008

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SOURCE: Computing N in a TVM calculation (receive Error 5 message)

Just found out the answer!
Apparently you can't have both FV and PV positive. Try the calculation with one of them being negative.

Posted on Jan 19, 2009

  • 38 Answers

SOURCE: the calculator is giving me

Resetting the calculator using the keyboard To completely reset the calculator and erase all user memory, follow the procedure below.

  1. Press and hold [C]. Press and hold the first key from the left ([N]) and the first key from the right ([FV]) on the top row.
  2. Release all three keys at the same time.
  3. The calculator will go blank, and then display "CORP HP 2000."
  4. The message will disappear and the calculator will display "ALL CLEAR."
  5. Press the [ON] key to clear the message.
Resetting the calculator using a paperclip To halt the calculator and reset the keyboard, follow the procedure below.
  1. Turn the calculator over and remove the battery door.
  2. Insert a paperclip into the small round hole located between the batteries. Insert the paperclip as far as it will go.
  3. Hold for one second then remove the clip.
  4. Press the [ON] key.
  5. If the calculator is still not responding, try one of the other methods
The batteries must be removed for at least 24 hours to drain the capacitor completely
Please comments back that your problem solve or not so may i further help u..

Posted on Aug 18, 2010

  • 102366 Answers

SOURCE: My BAII isnt calculating correctly

Change the payments-per-year to 1 to get the correct answer. Press 2nd [P/Y] 1 ENTER.

To pay off a loan of $3245 at 12% annual interest, you can either make 6 monthly payments of $559.91 and pay it off in half a year or make 6 annual payments of $789.27 and pay it off in six years.

Posted on Nov 26, 2010

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For further information you may refe to HP 10b Manual
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I couldn't find any reference to a HP calculator model 12p.
There is a HP 12c financial calculator and a 12c Platinum financial calculator.
Check both models (for images, specifications, functions, user guides, etc.) :
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