HP 33s Owner's Manual page 283

SOLVE instructions:
1. If your first TVM calculation is to solve for interest rate, I, press 1
º d
2. Press
equation list until you come to the TVM equation.
3. Do one of the following five operations:
a. Press
b. Press
For monthly payments, the result returned for I is the monthly interest rate,
i; press 12
c. Press
d. Press
e. Press
4. Key in the values of the four known variables as they are prompted for; press
¥
after each value.
5. When you press the last
and displayed.
6. To calculate a new variable, or recalculate the same variable using different
data, go back to step 2.
SOLVE works effectively in this application without initial guesses.
Variables Used:
N
I
B
P
F
Example:
Part 1. You are financing the purchase of a car with a 3–year (36–month) loan
at 10.5% annual interest compounded monthly. The purchase price of the car is
$7,250. Your down payment is $1,500.
File name 33s-E-Manual-1008-Publication(1st).doc
Printed Date : 2003/10/8
. If necessary, press
Û
N to calculate the number of compounding periods.
Û
I to calculate periodic interest.
¸
to see the annual interest rate.
Û
B to calculate initial balance of a loan or savings account.
Û
P to calculate periodic payment.
F to calculate future value or balance of a loan .
Û
¥
, the value of the unknown variable is calculated
The number of compounding periods.
The periodic interest rate as a percentage. (For example, if the
annual interest rate is 15% and there are 12 payments per year,
the periodic interest rate, i, is 15÷12=1.25%.)
The initial balance of loan or savings account.
The periodic payment.
The future value of a savings account or balance of a loan.
Miscellaneous Programs and Equations
Size : 13.7 x 21.2 cm
× Ø
or to scroll through the
Page : 386
e
I.
17–3