HP 30b HP 20b Business Consultant and HP 30b Business Professional User's Guid - Page 37

Amortization

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Table 3-2 TVM Example Keys Display 12:[ 360N 6.5Y 1400 00V 0F M Description Inputs 12 as the number of payments per year, or compounding periods per year. Inputs 360 as the number of payments over 30 years. Inputs 6.5% as the nominal interest rate percentage per year. Inputs the present value of the loan at the time of the first payment. This value is positive (+); it is money you receive. Inputs 0 as the future value of the loan (the remaining balance). Returns the monthly payment. This result is negative (-); it is money you pay out. :x < > To reset the TVM variables to their default values, press . Press or I O repeatedly until TVM displays. Press to reset the TVM values, or press to cancel. Note: the value for P/YR is not reset; it maintains its current entered value when TVM Reset is used. Amortization Refer to Figure 2 for a menu map of the Amortization menu (Amort). Table 3-3 lists the keys A and variables of the Amortization menu. To open the menu, press . The Amortization N Y menu calculations are based on values stored in the following TVM registers: , , V, M and [. To enter values for the TVM variables, enter a number followed by the corresponding key. For an amortization example, see Table 3-4. Time Value of Money 29

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Time Value of Money
29
Table 3-2
TVM Example
To reset the TVM variables to their default values, press
:x
. Press
<
or
>
repeatedly until
TVM
displays. Press
I
to reset the
TVM
values, or press
O
to
cancel. Note: the value for P/YR is not reset; it maintains its current entered value when TVM
Reset is used.
Amortization
Refer to Figure 2 for a menu map of the Amortization menu (
Amort
). Table 3-3 lists the keys
and variables of the Amortization menu. To open the menu, press
A
. The Amortization
menu calculations are based on values stored in the following TVM registers:
N
,
Y
,
V
,
M
and
[
.
To enter values for the TVM variables, enter a number followed by the corresponding key.
For an amortization example, see Table 3-4.
Keys
Display
Description
12:[
Inputs
12
as the number of payments per year,
or compounding periods per year.
360N
Inputs
360
as the number of payments over 30
years.
6.5Y
Inputs
6.5%
as the nominal interest rate
percentage per year.
1400
00V
Inputs the present value of the loan at the time
of the first payment. This value is positive (+); it
is money you receive.
0F
Inputs
0
as the future value of the loan (the
remaining balance).
M
Returns the monthly payment. This result is
negative (
–
); it is money you pay out.