Question about Texas Instruments BA-II Plus Calculator

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I've had my TI BA !!+ a long time and do mortgage payment calculations on it. Today, however, it gives wildly wrong answers. I checked my calculations on an amortization program I have on my computer and the TI is way off base - any way to fix it?

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Check the BGN/END setting (2nd [BGN]) and the number of payments per year (2nd [P/Y]). If those are set correctly, could you post an example, also giving the result you're getting and the result you expect?

Posted on Feb 21, 2011

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Will someone please walk me through the steps to calculate a mortgage payment on the BAII PLUS TEXAS INSTRUMENT. Please be specific. Thanks.


For a thirty-year, $100,000 mortgage at 8% annually, compute the monthly payment:

2nd [CLR TVM] ( clear the time value of money registers )
3 0 * 1 2 N ( thirty years at twelve payments per year )
8 I/Y ( 8% annual interest )
1 0 0 0 0 0 PV ( $100,000 mortgage )
CPT PMT ( compute payment )

You should see -733.76. The negative indicates payment, the amount is $733.76.

May 08, 2011 | Texas Instruments BA Real Estate...

1 Answer

I have two BA real estate calculator with the same problem. Each one is slightly off in the calculation. Example. $100,000 loan 6% rate 30 year term should have a 599.99 payment and when I input this...


$596.57 is what I get with payments occurring at the beginning of the month. Set it to handle payments at the end of the month. My calculator gives $599.55 for this case.

I'm not sure about the BA RE, but on the BA-II Plus you change the Begin/End setting by pressing 2nd [BGN] and 2nd [SET].

Mar 09, 2011 | Texas Instruments BA Real Estate...

3 Answers

How do I calculate a mortgage payment?


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...

1 Answer

When i enter for mortgage payments - 150,000 =PV, 5= I/Y and 360 = P/Y I should get an answer of 805.28 on my new Texas Instruments Calculator I get an answer of 7,500.000177 I don't know how to set up...


You have the number of payments per year set to one, so the calculator is telling you that you will get annual payments of 7500 on your investment. To set the number of payments per year to twelve, press 2nd [P/Y] 1 2 ENTER 2nd [QUIT]. Now pressing CPT [PMT] should give you the monthly payment of 805.28.

Aug 17, 2010 | Texas Instruments BA-II Plus Calculator

1 Answer

Incorrect mortgage payments


clear your memory by hitting <2nd> then <FV>. It will clear out the memory of any values that may be stuck which will return incorrect answers

Aug 26, 2009 | Texas Instruments BA-II Plus Calculator

4 Answers

Simple loan payment


Are you putting 30x12=360 for N? Since you have monthly payments, you have to compute it a little different. Also, you have to find the effective monthly interest rate. 1.0575^(1/12) = .4669839%.

Another way is to enter 30 for N and 5.57 for I/Y, and change P/Y to 12.

Hope this helps!

Apr 08, 2008 | Texas Instruments BA-II Plus Calculator

1 Answer

Amortization


Change the payments per year (P/Y) to 12.

Nov 08, 2007 | Texas Instruments BA-II Plus Calculator

2 Answers

Executive business analyst constant memory


Clear calc and mode registers & select two decimal places- ON/C, 2nd, CMR,FIX,2
Select FIN Mode - 2nd, FIN repeat until FIN shows up in display
Enter months in mortgage - N
Divide annual interest rate by 12 - Enter result as %i
Subtract down payment from cost of home - Enter result as PV
Compute monthly payment - 2nd, PMT
for Payments at beginning of month , press DUE, PMT

I have a question for you, what battery does the TI BA-II Constant Memory calculaor use?

Much thanks.

hgeiss@comcast.net

Oct 28, 2007 | Texas Instruments BA-II Plus Calculator

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