Question about Texas Instruments TI-86 Calculator

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Posted on Dec 28, 2009

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Posted on Jan 02, 2017

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premium X % X time

so 380,00000 X4/100 X 1 year

it calculated as the amount ( premium ) multiplied by the percentage of 100 multiplied by the period in years or parts of a year

so it can be 100 X 25% or 1/4(25/100) by the period (5 years or daily (1/365 of a year)

This is known as simple interest

compound interest is calculated on remaining premium after payment X the interest rate by the day or week or month

so for example 100 X 4/100 X 1/12 is the first calculation for the month and for the next month the calculation will be premium of 80 ( if a 20 payment was made in the month X 4/100 X 1/12 and so on if payment are made on time

pm the other hand if no payment are made then the premium goes up by the interest rate

so for the next month it is 104 X 4/100 X 1/12 and the month after that 108.16 X 4/100 X 1/12.and so on

banks use compound when calculating home loan repayments and simple interest when paying interest on your deposits

( has to be in the bank for 367 days to get the interest paid )

so 380,00000 X4/100 X 1 year

it calculated as the amount ( premium ) multiplied by the percentage of 100 multiplied by the period in years or parts of a year

so it can be 100 X 25% or 1/4(25/100) by the period (5 years or daily (1/365 of a year)

This is known as simple interest

compound interest is calculated on remaining premium after payment X the interest rate by the day or week or month

so for example 100 X 4/100 X 1/12 is the first calculation for the month and for the next month the calculation will be premium of 80 ( if a 20 payment was made in the month X 4/100 X 1/12 and so on if payment are made on time

pm the other hand if no payment are made then the premium goes up by the interest rate

so for the next month it is 104 X 4/100 X 1/12 and the month after that 108.16 X 4/100 X 1/12.and so on

banks use compound when calculating home loan repayments and simple interest when paying interest on your deposits

( has to be in the bank for 367 days to get the interest paid )

Nov 30, 2017 | The Computers & Internet

A=P((1-(1+r)^(-n))/r, where A is the present value of the annuity, or the amount of the loan, P is the periodic payment, r is the interest rate per period, and n is the number of periods. In this case, I assume the payments are monthly, so n would be 36. You mentioned that you already have A and P. However, solving for r algebraically is not that easy because it is in two places on the right hand side. However, you can make a table and put in interest rates to make both sides equal. Remember to multiply this answer by 12 to get the annual interest rate.

For example, if the payment is $100, and the amount of the loan is $2,766.07, and the number of periods is 36, what is the interest rate.

r Calculate Actual Difference

0.010 3010.75 2766.07 -244.68

0.011 2959.42 2766.07 -193.35

0.012 2909.33 2766.07 -143.26

0.013 2860.42 2766.07 -94.35

0.014 2812.68 2766.07 -46.61

0.015 2766.07 2766.07 0.00

0.016 2720.55 2766.07 45.52

0.017 2676.11 2766.07 89.96

You can see from the chart that the value of r of 0.015 makes the difference 0, so the periodic interest rate is 0.015 or 1.5%. We need to annualize this by multiplying by 12 and we get an annual interest rate of 18%.

Good luck,

Paul

Annuity Payment PV

For example, if the payment is $100, and the amount of the loan is $2,766.07, and the number of periods is 36, what is the interest rate.

r Calculate Actual Difference

0.010 3010.75 2766.07 -244.68

0.011 2959.42 2766.07 -193.35

0.012 2909.33 2766.07 -143.26

0.013 2860.42 2766.07 -94.35

0.014 2812.68 2766.07 -46.61

0.015 2766.07 2766.07 0.00

0.016 2720.55 2766.07 45.52

0.017 2676.11 2766.07 89.96

You can see from the chart that the value of r of 0.015 makes the difference 0, so the periodic interest rate is 0.015 or 1.5%. We need to annualize this by multiplying by 12 and we get an annual interest rate of 18%.

Good luck,

Paul

Annuity Payment PV

Aug 15, 2016 | Office Equipment & Supplies

7% of $44000.00 is $3,080.00.

That's how much the interest would be the first year if you don't make any payments. The total amount of interest you pay depends on the length of the loan. For a 30-year loan, your total payments would be $105,389.92. For a 20-year loan, your total payments would be $81,871.57.

That's how much the interest would be the first year if you don't make any payments. The total amount of interest you pay depends on the length of the loan. For a 30-year loan, your total payments would be $105,389.92. For a 20-year loan, your total payments would be $81,871.57.

Sep 12, 2014 | Office Equipment & Supplies

Hi there,

To calculate present value you need to type in all the other missing values and then press COMP and PV.

For example: if the future value is R5000, the interest is 12% p.a. compounded monthly and it paid over 3 years.

Type in 5000 and press FV

type in 12 and I/Y

Press 2nd F and I/Y and make sure P/Y says 12 (for 12 payments per year).

Press ON

press 3 press 2nd F N and then press N again (for 36 payments in total). Make sure your screen says ANS -> N otherwise the calculation will not work.

Now if if your payments are 0 (in other words you are not making monthly payments) then press 0 and PMT,

Otherwise, if you are making monthly payments for e.g. R200 a month, type in +/- 200 PMT.

Now calculate your original amount by pressing COMP PV.

If you made no payments your original amount should be -3494.62

And if you chose to add payments your original amount should be

2 526.88.

To calculate present value you need to type in all the other missing values and then press COMP and PV.

For example: if the future value is R5000, the interest is 12% p.a. compounded monthly and it paid over 3 years.

Type in 5000 and press FV

type in 12 and I/Y

Press 2nd F and I/Y and make sure P/Y says 12 (for 12 payments per year).

Press ON

press 3 press 2nd F N and then press N again (for 36 payments in total). Make sure your screen says ANS -> N otherwise the calculation will not work.

Now if if your payments are 0 (in other words you are not making monthly payments) then press 0 and PMT,

Otherwise, if you are making monthly payments for e.g. R200 a month, type in +/- 200 PMT.

Now calculate your original amount by pressing COMP PV.

If you made no payments your original amount should be -3494.62

And if you chose to add payments your original amount should be

2 526.88.

May 30, 2014 | Sharp EL-738 Scientific Calculator

Hi there,

First make sure all previous amounts stored are cleared by pressing 2nd F MODE.

Then type in the original value 20 000 and press PV.

Type in the interest 13 and press I/Y.

(If i assume that the interest is compounded yearly my calculation is more simple)

press 5 and N

Press COMP FV and your answer will be - 36 848.70

(If I assume that the interest is compounded monthly, i need to input a little bit more data into my calculator)

Press 2nd F I/Y (to get to payments per year) and press 12 and ENT. Press ON.

Then press 5 and 2nd F N and then press N again.

Now calculate FV by pressing COMP FV which should give you - 38 177.13.

Take this value and subtract the PV from it to get the amount of interest earned.

First make sure all previous amounts stored are cleared by pressing 2nd F MODE.

Then type in the original value 20 000 and press PV.

Type in the interest 13 and press I/Y.

(If i assume that the interest is compounded yearly my calculation is more simple)

press 5 and N

Press COMP FV and your answer will be - 36 848.70

(If I assume that the interest is compounded monthly, i need to input a little bit more data into my calculator)

Press 2nd F I/Y (to get to payments per year) and press 12 and ENT. Press ON.

Then press 5 and 2nd F N and then press N again.

Now calculate FV by pressing COMP FV which should give you - 38 177.13.

Take this value and subtract the PV from it to get the amount of interest earned.

May 16, 2014 | Sharp EL-738 Scientific 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...

Once you're in the TVM solver:

On the top line (N=) type in 5 * 12 ENTER for five years of month payments.

On the I% lline type in 5.5 / 12 ENTER for the month interest rate.

On the PV line type in 18000 ENTER

Make sure the FV is 0 and END is highlighted on the bottom line.

Move the cursor to the PMT line and press ALPHA [SOLVE] (that's ALPHA ENTER) and see -343.82 for the monthly payment.

On the top line (N=) type in 5 * 12 ENTER for five years of month payments.

On the I% lline type in 5.5 / 12 ENTER for the month interest rate.

On the PV line type in 18000 ENTER

Make sure the FV is 0 and END is highlighted on the bottom line.

Move the cursor to the PMT line and press ALPHA [SOLVE] (that's ALPHA ENTER) and see -343.82 for the monthly payment.

Jan 17, 2010 | Texas Instruments TI-83 Plus Calculator

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.

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.

Jan 15, 2009 | Texas Instruments BA-II Plus Calculator

set your p/y to 12( compounding periods per year). I think you are calculating for a one year loan?

Nov 18, 2008 | Texas Instruments BA-II Plus Calculator

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!

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

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