Calculated Industries 3420 User Guide User Manual
Page 29

28 — Q
UALIFIER
P
LUS
®
III
X
Finding the Mortgage Amount
Approximately how much could you borrow if the interest rate was
7.8% on a 25-year mortgage, and you could afford $1,500 in month-
ly payments? 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
2 5 T
25.00
Enter monthly P&I Payment
1 5 0 0 p
1,500.00
Find Mortgage
l
“run” 199,869.55
Enter new Interest rate
7 • 5 ˆ
7.50
Find new Mortgage
l
“run” 205,042.71
Non-Monthly Loans
Most mortgages are paid off monthly. However, if you have a non-
monthly loan, you must change the number of payments per year
using a two-key sequence:
s ÷
. For example, here's how to set
your calculator to four payments per year.
STEPS
KEYSTROKES
DISPLAY
Clear calculator
o o
0.00
Enter # of Payments/year
4 s ÷
4.00
To recall the currently stored number of payments:
STEPS
KEYSTROKES
DISPLAY
Clear calculator
o o
0.00
Recall # of Payments/year
® ÷
4.00
IMPORTANT: To return payments per year to the default value of
12, perform the following steps:
STEPS
KEYSTROKES
DISPLAY
Clear calculator
o o
0.00
Enter # of Payments/year
1 2 s ÷
12.00
3420UG-E-A 7/2/04 9:06 AM Page 28