HP 10bII+ User Manual page 84

If you store, recall, or perform any other calculations during amortization, pressing
no longer cycle through interest, principal, and balance. To resume amortization with the
same set of periods, press
Example: Amortizing a Range of Payments
Calculate the first two years of the annual amortization schedule for a 30 year, 180,000
mortgage, at 7.75% annual interest with monthly payments.
Set to End mode. Press
Table 6-18 Calculating the monthly payment
Keys
JG\Í
D:\Ú
j7jVÒ
Jg::::Ï
:É
Ì
If you already know the mortgage payment, you can enter and store it just like you store the
other four values. Next, amortize the first year.
Table 6-19 Calculating the loan balance after a year
Keys
JÆJG
\Ê
4
4
4
76 Time Value of Money Calculations
v\Ê
.
\¯
if BEGIN annunciator is displayed.
180,000.00
- 1 ,289.54
- 1 ,579.84
- 1 3,894.67
178,420.16
Display Description
12.00 Sets payments per year.
360.00 Stores total number of payments.
7.75 Stores interest per year.
Stores present value.
0.00 Stores future value.
Calculates the monthly payment.
Display Description
12_ Enters starting and ending
periods.
1– 12 Displays the PER and AMORT
annunciators and range.
Displays the PRIN annunciator
and the principal paid in the first
year.
Displays the INT annunciator
and the interest paid in the first
year.
Displays the BAL annunciator
and the loan balance after one
year.
4
will