Casio FX-9750G PLUS User's Manual & Technical Reference page 362

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 Interest rate
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 Principal plus interest with initial deposit
P.7 In the set up screen, specify "End" for Payment and then press J.
334
Example Calculate the number of monthly $84 installments required to
accumulate a total of $6,000 at an annual interest rate of 6%,
compounded annually.
c
gw
PV
= 0)
aw(
-iew(
gaaaw(
bcw(Monthly installments)
bw(Annual compounding)
n
)
1(
Example Calculate the annual interest rate required to accumulate a
total of $10,000 in 10 years with $60 monthly installments.
ba*bcw(Input
c
PV
= 0)
aw(
-gaw(
baaaaw(
bcw(Monthly installments)
bw(Annual compounding)
I
%)
2(
Example Calculate the principal plus interest after one year for an
installment savings account with an interest rate of 4.5%,
compounded monthly, opened with an initial deposit of $1,000,
with $500 installments added each month.
PMT
= –84)
FV
= 6,000)
n = 10 × 12.)
PMT
= –60)
FV
= 10,000)