Tuesday, December 9, 2008
T.V.M Solver Book Report
To open the T.V.M. solver on your calculator you simply need to prees [APPS], [ENTER], [ENTER] which will bring you to a screen with the following variables:
N: Number of compounding periods. Type this in as number of years times number of compounding periods per year.
I%: Interest rate. Type this in as a rate, NOT as a decimal.
PV: Previous Value. This is the starting value of the account. If it’s a loan, the amount will be positive, the amount you owe. If it’s a savings account, the amount will be negative, the amount you (take out of your pocket and) put in. If you don’t start the savings account with a deposit, this value will be zero.
PMT: Payment amount. Since this is coming out of your pocket, it’s negative. If you’ve started a savings account with a deposit, and don’t plan to make regular deposits, this will be zero.
FV: Future value. For savings, this will be the value after a given number of compounding periods. For a loan, this should be 0.
P/Y: Payments per year. This number should be the same as the next item, unless specified otherwise in the problem.
C/Y: Compounding periods per year. See above.
PMT: END BEGIN: Will the payments be due at the beginning or end of
the month.
__________________________________________________________________
EXAMPLE
1.) Now, suppose you are taking out a 5-year loan on $25000 at 6% annual interest compounded monthly and you want to know the monthly payment. Fill in the values on the TVM Solver screen as shown:
(Enter N as 5 years * 12 compounding periods per year)
N=60
I%=6
PV=25000
PMT=
FV=0
P/Y=12
C/Y=12
PMT=END
2.) Now, move the cursor to PMT, press the green ALPHA key, then ENTER.
Your payment will show up as a negative number (since it’s coming out of your
pocket):
N=60
I%=6
PV=25000
PMT=-483.32003...
FV=0
P/Y=12
C/Y=12
PMT=END
3.) Suppose you know you can afford a $250 per month payment on a 60 month loan at 6% annual interest compounded monthly. You can enter N as 60, since
they didn’t give you a number of years. Fill out the TVM Solver screen as
shown:
N=60
I%=6
PV=0
PMT=-250
FV=0
P/Y=12
C/Y=12
PMT=END
4.) To find how much you can afford to borrow, move the cursor to PV, press the
green ALPHA key, then ENTER. The amount you can afford to borrow is
shown:
N=60
I%=6
PV=12931.39019
PMT=-250
FV=0
P/Y=12
C/Y=12
PMT=END
Dec 9th, Book Report
The T.V.M is used to find a missing variable in interest rate, time, and future value. It is also used for financial calculations. Everything under “TVM Solver” is a function that does a calculation based of the values entered in the TVM Solver.
How to get to the T.V.M Solver in your calculator:
1. Turn on calculator
2. Press “Apps”
3. Press “Finance”
4. Press “TVM Solver”
The variables in the TVM Solver are:
N = # of years.
Examples
Question 1:
Put into the calculator in the TVM Solver
N = 10
After entering that all in go:
“2nd”
“Mode”
(It will take you back to the display screen.)
Next, press
“Apps”
Finance”
“TVM_I% (that’s number 3)
Your result should be 17.46%
That all means that if you invest $ 1000 today and want $5000 in 10 years from now, the interest rate you must have is 17.46%.
Question 2:
Put into calculator in the TVM Solver
N = 10 (10 years)
After that go:
“2nd”
“Mode”
(Takes you back to your display screen)
Next press
“Apps”
“Finance”
“TVM_PV” (that’s number 4)
Your result should be -2315.96
That all means that if you invested (your investing which is why it’s a negative) $2315.96 today at 8%, in 10 years you will have $5000.
http://giddlebits.wordpress.com/2007/01/25/how-to-do-time-value-of-money-on-a-ti-83-plus/
Thank you Nathan Snell‘s Blog for the information and for the questions examples!
Book Report
T.V.M solver
T.V.M solver is designed to help you solve problems that in valve money growing at a predetermined interest rate over a set amount of time.
To get to T.V.M Solver you go to apps then to financial then choose T.V.M Solver. Now that we can get their let’s get down to business. Here is an example. So you have $100 that you are going to invest at 10% a year for 5 years.
PV Present value $100
F/V future value
N is the number of years 5
I is the interest rate 10%
P/Y payments per year 1
C/P compound per year 1
Pmt amount of money invested per year 0
When you have all the data in you go down to FV (future value) and press alpha enter. That will give you the answer which should be $161.05.
hear is another example of how to solve for n:
Imagine that you have just retired, and that you have a nest egg of $1,000,000. This is the amount that you will be drawing down for the rest of your life. If you expect to earn 6% per year on average and withdraw $70,000 per year, how long will it take to burn through your nest egg (in other words, for how long can you afford to live)? Assume that your first withdrawal will occur one year from today (End Mode).
P/V=-1000000
F/V=0
N=
I%=6
P/Y=0
C/P=0
PTM=70000
Now you can go to N and and solve by pressing alpha enter and that should give u 33.39 witch is how long you Can live for off of the $1000000.
examples provided by: http://www.tvmcalcs.com/calculators/ti83/ti83_page1
Book Report: T.V.M. Solver
Thanks to the internet, this book report will tell you on how to access the T.V.M. on your calculator and give you some examples.
T.V.M stands for Time Value of Money. TVM is based on the idea that money received earlier is worth more than the same amount of money received later.
To get to the T.V.M. solver on your calculator, you press APPS, ENTER, ENTER, and you will get to a screen which shows these following variables:
N= total number of payments
I%= nominal interest rate, expressed as a percent (use 5, for 5%, NOT 0.05)
PV= present value or principal
PMT= amount of each payment (for mortgages and annuities)
FV= future value
P/Y= payments per year
C/Y= compounding periods per year
Here are examples to represent both algebraic and TVM Solver solutions:
1.Solving for Future value: If you deposit $2500 in an account earning 12% interest compounded weekly, how much is it worth in 4 years?
N= 4
I%= 12
PV= 2500
PMT= 0
FV=
P/Y= 1
C/Y= 52
After you have filled in all the numbers, move your curser to FV= and press ALPHA SOLVE (enter) and the number 4037.95 should show up where the FV= is. That’s the final answer for this question.
2.SSolving for present value: How much money must you deposit now, if you need $10000 in 4 years, and can earn 5.5% interest compounded monthly?
Now, we bring up the TVM Solver, set..
N = 4,
I% = 5.5,
PV =
PMT = 0,
FV = 10000,
P/Y = 1,
C/Y = 12.
Move to the present value line and press ALPHA SOLVE (enter). The answer is -8029.22 (the answer is negative, because you have to deposit that amount).
How long does it take $5000 at 8% interest compounded daily to reach a value of $7500?
N =
I% = 8
PV = 5000
PMT = 0
FV = 7500
P/Y = 1
C/Y = 365
Move the cursor to the line for N and press ALPHA SOLVE (enter) to get the answer.
Monday, December 8, 2008
Book report, T.V.M. solver
To get to the T.V.M. solver on your calculator, hit "apps" then "finance" and that leads you right to the "t.v.m. solver"
Now you need to fill in the blanks on your calculator, but before you can do that you need to know what the letter symbols beside each blank means.
N= The number of payment periods
I%= The interest rate
PV= Present value
PMT= Payment amount
FV= Future value
P/Y= Payments per year
C/Y= Compounding periods per year
(remeber to ender cash inflows as positive numbers, and cash outflows as negative numbers)
Examples:
Financing a car.
You have found a car you would like to buy. The car costs $9,000. You can afford payments of $250 per month for four years. What annual percentage rate (APR) will make it possible for you to afford the car?
Enter the T.V.M. solver
Enter known values:
N=48;
PV=9000;
PMT=M250 (Negation indicates cash outflow.);
FV=0;
PpY=12 (computes an annual percentage rate);
CpY=12;
PMT=END.
Example 2
Calculaing interest on a fixed payment.
At what annual interest rate, compounded monthly, will $1,250 accumulate to $2,000 in 7 years?
Enter the T.V.M solver.
Enter known values:
N=7;
PV=M1250 (Negation indicates cash outflow or investment.);
PMT=0;
FV=2000 (future value is cash inflow or return);
PpY=1;
CpY=12;
PMT=END.
Place the cursor on the I% prompt and solve to get your interest rate.
T8


