HP HP-15C

Section 1: Using | SOLVE] Effectively
37
First, calculate the payment on the loan.
Keystrokes
QD CLEAR [REG]
360[A]
14|ENTER|12F1fl3l
50000 [CHSircl
[D]|R/S|
Display
360.00
1.17
-50,000.00
592.44
Clears financial variables.
Enter n = 360.
Enters i =14/12.
Enters PV= -50,000.
Calculates PMT.
Now calculate the remaining balance at month 24.
Keystrokes Display
24 [A] 24.00 Enters n = 24.
PElfR/Sl 49,749.56 Calculates FV at
month 24.
Store this remaining balance, then calculate the remaining
balance at month 12 and the principal reduction between
payments 12 and 24.
Keystrokes Display
rsroirn 49,749.55
12 [A] 12.00
[TlfR/Sl 49,883.48
0
49,749.56
133.92
Enters n = 12.
Calculates FV at
month 12.
Recalls FV at month 24.
Calculates principal
reduction.
The accrued interest is the value of 12 payments less the principal
reduction.
Keystrokes
|RCL|4
120
Display
592.44
7,109.23
6,975.31
Recalls PMT.
Calculates value of
payments.
Calculates accrued
interest.