User Manual

20070201
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 Formula
a : interest portion of installment PM1 ( INT )
b : principal portion of installment PM1 ( PRN )
c : balance of principal after installment PM2 ( BAL )
d : total principal from installment PM1 to payment of installment PM2 ( Σ PRN )
e : total interest from installment PM1 to payment of installment PM2 ( Σ INT )
*
a + b = one repayment ( PMT )
c
a
b
1 payment
Number of Payments
1 PM1 PM2 Last.............. ..................... ............
c
a
b
1 payment
Number of Payments
1 PM1 PM2 Last.............. ..................... ............
1 payment
Number of Payments
1 PM1
PM2
Last............... ..................
...............
d
e
1 payment
Number of Payments
1 PM1
PM2
Last............... ..................
...............
d
e
7-5-1
Amortization