Calculated Industries 3420 Pocket Reference Guide User Manual
Page 17

P
OCKET
R
EFERENCE
G
UIDE
— 16
Interest Rate
Find the interest rate on a mortgage if the
mortgage amount is $155,500, term is 25
years and payment is $1,150 per month.
STEPS
KEYSTROKES
DISPLAY
Clear
o o
0.00
Enter Mortgage
1 5 5 5 0 0 l
155,500.00
Enter Term
2 5 T
25.00
Enter Payment
1 1 5 0 p
1,150.00
Find annual
Interest*
ˆ
7.63
Find periodic
Interest
ˆ
0.64
*Note: If desired, press
s 9
, then
ˆ
to
compute U.S. Interest (7.51%). Repeat this pro-
cedure to return to CDN mode. Display will read
“CDN” when calculating Canadian interest, and
“USA” when calculating U.S. rates.
3420PRG-E-A 7/2/04 9:07 AM Page 16
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