HP 17bll+ User Manual page 72

Keys:
 
@c

1 
e
7.2 
2000 
&
3000 

There is no conventional way to interpret results based on a non-integer
value (5.83) of N. Since the calculated value of N is between 5 and 6,
it will take 6 years of annual compounding to achieve a balance of at
least $3,000. The actual balance at the end of 6 years can be
calculated as follows:
6 

Example: An Individual Retirement Account (IRA). You opened an IRA
on April 15, 2003, with a deposit of $2,000. Thereafter, you deposit
$80.00 into the account at the end of each half-month. The account
pays 8.3% annual interest, compounded semimonthly. How much
money will the account contain on April 15, 2018?
72 5: Time Value of Money
Display:

    Clears history stack and
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 






Description:
Displays TVM menu.
TVM variables.
Sets one compounding
per./yr. (one interest
pmt./yr.). Payment mode
does not matter.
Stores annual interest rate.
Stores amount of deposit.
Stores future account
balance in FV.
Calculates number of
compounding periods
(years) for the account to
reach $3,000.
Stores a whole number of
years in N.
Calculates account balance
after six years.