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Personal Finance   or managing your money
A = AMOUNT of money at the end of 
                                       the term
                                 P = PRINCIPLE amount, the amount 
                                       originally invested or borrowed
                                 r = RATE of interest as a decimal 
                                       number
                                 n = NUMBER of times the principle is 
                                       compounded per year
                                 t = TIME in years


Time          Principle          Rate          Interest          Balance
Lesson 1 Apr 5 2010
You invest $6500.00 at 5.25% interest compounded monthly. How 
much money will you have at the end of 4 years?  $8015.24
                             A = AMOUNT of money at the end of 
                                   the term
                             P = PRINCIPLE amount, the amount 
                                   originally invested or borrowed
                             r = RATE of interest as a decimal 
                                   number
                             n = NUMBER of times the principle is 
                                   compounded per year
                             t = TIME in years
Using the TVM (Time Value Money) Solver ...
You invest $6500.00 at 
5.25% interest            Total Number of payments to the account 
compounded monthly.       (#years in account)(#times payments/year)
How much money will 
you have at the end of 
four years?
                          N = 48
                          I% = 5.25
                          PV = ­6500
                          PMT = 0
                          FV = 8015.24
                          P/Y = 12
                          C/Y = 12
                          PMT: END  BEGIN
Using the TVM (Time Value Money) Solver ...

                          Total Number of payments to the account 
                          (#years in account)(#times payments/year)

 Annual Interest     N = 48
 rate as a percent   I% = 5.25
                     PV = ­6500
                     PMT = 0
                     FV = 8015.24
                     P/Y = 12
                     C/Y = 12
                     PMT: END  BEGIN
Using the TVM (Time Value Money) Solver ...

                          Total Number of payments to the account 
                          (#years in account)(#times payments/year)

 Annual Interest      N = 48
 rate as a percent    I% = 5.25               Present Value 
                      PV = ­6500              of the account
                      PMT = 0
                      FV = 8015.24
                      P/Y = 12
                      C/Y = 12
                      PMT: END  BEGIN
Using the TVM (Time Value Money) Solver ...

                          Total Number of payments to the account 
                          (#years in account)(#times payments/year)

 Annual Interest      N = 48
 rate as a percent    I% = 5.25
                                              Present Value 
                      PV = ­6500
 PayMenTs made                                of the account
                      PMT = 0
 to the account       FV = 8015.24            Future Value 
                      P/Y = 12                of the account
                      C/Y = 12
                      PMT: END  BEGIN
Using the TVM (Time Value Money) Solver ...

                          Total Number of payments to the account 
                          (#years in account)(#times payments/year)

 Annual Interest 
 rate as a percent      N = 48
                        I% = 5.25             Present Value 
 PayMenTs made          PV = ­6500            of the account
 to the account         PMT = 0               Future Value 
 Number of Payments     FV = 8015.24          of the account
 made per Year          P/Y = 12              Number of Compounding 
                        C/Y = 12
                                              periods per Year
                        PMT: END  BEGIN
Using the TVM (Time Value Money) Solver ...
  You invest $4500.00 at 5.75% interest compounded monthly. 
  How much money will you have at the end of three years?
                         Total Number of payments to the account 
                         (#years in account)(#times payments/year)
  Annual Interest 
                          N = 48
  rate as a percent
                          I% = 5.25          Present Value 
  PayMenTs made           PV = ­6500         of the account
  to the account          PMT = 0
                                             Future Value 
                          FV = 8015.24
  Number of Payments                         of the account
                          P/Y = 12
  made per Year           C/Y = 12           Number of Compounding 
                          PMT: END  BEGIN    periods per Year

           PMT: Depends on when payments are made 
           each compounding period, we usually use END


                        [ALPHA] [SOLVE]
What's the difference?



N=                   N=
I%=                  I%=
PV=                  PV=
PMT=                 PMT=
FV=                  FV=
P/Y=                 P/Y=
C/Y=                 C/Y=
PMT: END   BEGIN     PMT: END   BEGIN
Solve for N (the number of payments) ...

  To buy a new car you must take out a loan of $10 593.30. You can 
  afford a payment of $238 per month. The dealership offers you an 
  annual interest rate of 3.75% compounded monthly. 
 How many payments must you make? 
 How much interest have you paid?


         N=
         I%=
         PV=
         PMT=
         FV=
         P/Y=
         C/Y=
         PMT: END   BEGIN
Lesson 1 Apr 5 2010
Solve for I (the rate of interest) ...
A certain university program will cost $20 000. What annual 
interest rate, compounded monthly, must you obtain if you can 
save $288.50 per month for the next five years and hope to have 
all the money saved by that time?



             N=
             I%=
             PV=
             PMT=
             FV=
             P/Y=
             C/Y=
             PMT: END   BEGIN
Solve for PV (the value now) ...

  You plan to buy a car. You can make monthly payments of $525 
  and the interest rate advertised for car loans is 6.25%, 
  compounded monthly. If the dealership is offering you financing for 
  two years how much car can you afford?


                  N=
                  I%=
                  PV=
                  PMT=
                  FV=
                  P/Y=
                  C/Y=
                  PMT: END   BEGIN
Solve for FV (the future value) ...

  You decide to invest $6500. The bank offers an interest rate of 
  8.25% compounded annually. What will your money be worth in 7 
  years if the interest rate remains unchanged?
                                            HOMEWORK

                                          N=
                                          I%=
                                          PV=
                                          PMT=
                                          FV=
                                          P/Y=
                                          C/Y=
                                          PMT: END   BEGIN
Watching Money Grow ...     HOMEWORK
                                   N=
 Calculate the final balance       I%=
 if $7500 were invested at         PV=
 8% per year, compounded           PMT=
 semi­annually for 6 years.        FV=
                                   P/Y=
                                   C/Y=
                                   PMT: END   BEGIN

 How long will it take $12 000 
                                   N=
 invested at 7.2% per year, 
                                   I%=
 compounded quarterly, to 
                                   PV=
 grow to $15 000?
                                   PMT=
                                   FV=
                                   P/Y=
                                   C/Y=
                                   PMT: END   BEGIN
Investing Regularly ... HOMEWORK
 Calculate the final balance if $1500 were           N=
 invested at 8% per year, compounded semi­           I%=
 annually, with additional investments of $1 000     PV=
 at the end of every six months for five years.      PMT=
                                                     FV=
                                                     P/Y=
                                                     C/Y=
                                                     PMT: END   BEGIN

 How long will it take to save $35 000, if $2 500    N=
 were invested at 7.2% per year, compounded          I%=
 quarterly, followed by an additional $400 at the    PV=
 end of each 3­month period?                         PMT=
                                                     FV=
                                                     P/Y=
                                                     C/Y=
                                                     PMT: END   BEGIN
Attachments



     Finance Cat by flickr user o205billege

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Lesson 1 Apr 5 2010