Calculated Industries 3416 User Guide User Manual
Page 29

24 — M
ORTGAGE
Q
UALIFIER
P
LUS
®
Finding the Interest Rate
Find the interest rate on a mortgage where the loan amount is
$98,500, the term is 30 years, and the payment is $1,150 a month.
STEPS
KEYSTROKES
DISPLAY
Clear calculator
o o
0.00
Enter loan amount
9 8 5 0 0 l
98,500.00
Enter term
3 0 T
30.00
Enter monthly payment
1 1 5 0 p
1,150.00
Find annual interest
ˆ
“run” 13.78
Find periodic interest
ˆ
1.15
Finding the Term of a Loan
How long does it take to pay off a loan of $15,000 at 10% interest if
you make payments of $200 each month?
STEPS
KEYSTROKES
DISPLAY
Clear calculator
o o
0.00
Enter loan amount
1 5 ) l
15,000.00
Enter interest
1 0 ˆ
10.00
Enter monthly payment
2 0 0 p
200.00
Find term in years
T
“run” 9.85
Find periodic term
T
118.19
Finding the Loan Amount
Approximately how much could you borrow if the interest rate was
7.8% on a 30-year loan and you could afford $1,500 in monthly pay-
ments? What if the interest rate was lowered to 7.5%?
STEPS
KEYSTROKES
DISPLAY
Clear calculator
o o
0.00
Enter interest
7 • 8 ˆ
7.80
Enter term
3 0 T
30.00
Enter monthly payment
1 5 0 0 p
1,500.00
Find loan amount
l
“run” 208,370.81
Enter new interest rate
7 • 5 ˆ
7.50
Find new loan amount
l
“run” 214,526.44