Casio CFX-9970G, Руководство пользователя

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340
The following calculation is performed after conversion from the nominal interest
rate to the effective interest rate, and the result is used for all subsequent
calculations.
i = I%'
÷
100
Press 4 (
AMT
) from the initial screen 1 to display the following input screen for
amortization.
PM1 ................ first installment of installments 1 through
n
PM2 ................ second installment of installments 1 through
n
n
..................... installments
I
% ................... interest rate
PV
.................. principal
PMT
............... payment for each installment
FV
.................. future value
P
/
Y
.................. installments per year
C
/
Y
................. compoundings per year
• {
BAL
} ... {balance of principal after installment PM2}
• {
INT
} / {
PRN
} ... {interest}/{principal} portion of installment PM1
• {
%
INT
} / {
%
PRN
} ... {total principal}/{total interest} from installment PM1 to
payment of installment PM2
Example Calculate the monthly installment due on a $140,000 15-year
home mortgage at an annual rate of 6.5%, compounded
semiannually.
Also calculate
PRN
and
INT
for the second year (24th
installment),
BAL
for installment 49, and
%
INT,
%
PRN
for
installments 24 through 49.
Display the TVM Menu and then press 2 .
In the set up screen, specify “ End ” for Payment and then press J .
P.7
19 - 5
Amortization of a Loan