HP 33S - Page 284

17–4 Miscellaneous Programs and Equations
File name 33s-E-Manual-1008-Publication(1st).doc Page : 386
Printed Date : 2003/10/8 Size : 13.7 x 21.2 cm
B = 7,250
_
1,500
I = 10.5% per year
N = 36 months
F = 0
P =
?
Keys:
(In RPN mode)
Display: Description:
Þ
{

} 2

Selects FIX 2 display format.
º d
(
Ø
as
needed )

Displays the leftmost part of
the TVM equation.
Û
P

value

Selects P; prompts for I.
10.5
Ï
12
¯


Converts your annual interest
rate input to the equivalent
monthly rate.
¥

value

Stores 0.88 in I; prompts for
N.
36
¥

value

Stores 36 in N; prompts for F.
0
¥

value

Stores 0 in F; prompts for B.
7250
Ï
1500
Ã


Calculates B, the beginning
loan balance.
¥



Stores 5750 in B; calculates
monthly payment, P.
The answer is negative since the loan has been viewed from the borrower's
perspective. Money received by the borrower (the beginning balance) is positive,
while money paid out is negative.