HP 12C Platinum Owner's Handbook Manual page 123

126 Section 12: Real Estate and Lending
payment, as well as the number of payment periods per year, the price paid for
the mortgage, and the balloon payment amount (if it exists).
Information is entered as follows:
1. Press g and fCLEARG.
2. Key in the total number of periods until the balloon payment occurs and
press n. (If there is no balloon payment, key in the total number of
periods and press n.)
3. Key in the periodic payment amount then press P.
4. Key in the purchase price of the mortgage then press $.
5. Key in the balloon payment amount then press M.
payment, go to step 6.)
6. Press ¼ to obtain the yield per period.
7. Key in the number of periods per year and press § to obtain the nominal
annual yield.
Example 1: An investor wishes to purchase a $100,000 mortgage taken out at
9% for 21 years. Since the mortgage was issued, 42 monthly payments have been
made. What would be the annual yield if the purchase price of the mortgage is
$79,000? (Since PMT was not given, it must be calculated).
Keystrokes (RPN mode)
gÂ
fCLEARG
21gA
9gC
100000Þ$
P
:n
42-n
79000Þ$
¼
12§
3. Positive for cash received; negative for cash paid out.
Display
Enter the number of periods (into n).
252.00
Monthly interest rate (into i).
0.75
–100,000.00 Mortgage amount (into PV; negative
to indicate money paid out).
Payment received (calculated).
884.58
Recall number of periods.
252.00
Number of periods left after mortgage
210.00
is bought (into n).
–79,000.00 Input price of mortgage (into PV;
negative to indicate money paid out).
Yield per month (calculated).
0.97
Percent annual yield.
11.68
3
3
3
(If there is no balloon