7-7
• 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
(TRCE) to turn on trace and read calculation
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.
S
Formula
a
: interest portion of installment PM1 (
,17
)
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 (
3
PRN
)
e
: total interest from installment PM1 to payment of installment PM2 (
3
,17
)
*
a
+
b
= one repayment (
307
)
c
a
1 payment
Number of Payments
1
PM1
PM2
Last
............
...................
..........
b
c
a
1 payment
Number of Payments
1
PM1
PM2
Last
............
...................
..........
b
1 payment
Number of Payments
1
PM1
PM2
Last
.............
................
.............
e
d
1 payment
Number of Payments
1
PM1
PM2
Last
.............
................
.............
e
d
Summary of Contents for FX-7400GII
Page 337: ...E CON2 Application ...