Casio FX-9750G PLUS User's Manual & Technical Reference page 364

19 - 3
Compound Interest Calculations
u u u u u Number of installments
P.7 In the set up screen, specify "End" for Payment and then press J.
Perform the following key operations from the input screen.
u u u u u Effective interest rate
P.7
In the set up screen, specify "End" for Payment, "Fix2" for Display, and then press
P.6
J.
Perform the following key operations from the input screen.
336
Example Calculate the number of years it will take to repay a $60,000
loan borrowed at 5.5%, compounded monthly, with monthly
installments of $840.
c
f.fw
gaaaaw(
-ieaw(
FV
= 0)
aw(
bcw(Monthly installments)
(Monthly compounding)
n
)
1(
Example Calculate (to two decimal places) the effective interest rate
compounded monthly, on a 25-year $65,000 loan repaid with
$460 monthly installments.
cf*bcw(Input
c
gfaaaw(
-egaw(
FV
= 0)
aw(
bcw(Monthly installments)
(Monthly compounding)
I
%)
2(
PV
= 60,000)
PMT
= –840)
n = 25 × 12.)
PV
= 65,000)
PMT
= –460)