Amortization - Casio fx-9860G AU User Manual

7-5 Amortization

This calculator can be used to calculate the principal and interest portion of a monthly
installment, the remaining principal, and amount of principal and interest repaid up to any
point.
u u u u u Formula
1 payment
a
: interest portion of installment PM1 (
b
: principal portion of installment PM1 (
c
: balance of principal after installment PM2 (
1 payment
d
: total principal from installment PM1 to payment of installment PM2 (Σ
e
: total interest from installment PM1 to payment of installment PM2 (Σ
a b
* + = one repayment (
7-5-1
Amortization
a
b
1 .............. PM1 .....................
Number of Payments
INT
)
PRN
)
BAL
1 ............... PM1 ..................
Number of Payments
PMT
)
20070101 20050401
c
PM2 ............
)
e
d
PM2 ...............
Last
Last
PRN
)
INT
)