Amortization - Casio FX-7400GII - SOFTWARE VERSION 2-00 User Manual

• An error (Ma ERROR) occurs if parameters are not configured correctly.
Use the following function menus to maneuver between calculation result screens.
• {REPT} ... {parameter input screen}
• {GRPH} ... {draws graph}
After drawing a graph, you can press
results along the graph.
Press to return to the parameter input screen.

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.
Formula
1 payment 1 payment
a
: interest portion of installment PM1 (
b
: principal portion of installment PM1 (
c
: balance of principal after installment PM2 (
1 payment 1 payment
d
: total principal from installment PM1 to payment of installment PM2 (
e
: total interest from installment PM1 to payment of installment PM2 (
a b
* + = one repayment (
(TRCE) to turn on trace and read calculation
a a
b b
1 1 ............ ............ PM1 PM1 ................... ...................
Number of Payments Number of Payments
)
PRN
)
BAL
)
1 1 ............. ............. PM1 PM1 ................ ................
Number of Payments Number of Payments
)
7-7
c c
PM2 PM2 .......... .......... Last Last
e e
d d
PM2 PM2 ............. ............. Last Last
PRN
)
)