Casio CFX-9970G User Manual page 350

19 - 3
Compound Interest Calculations
Perform the following key operation from the input screen.
u u u u u Compound interest period
Example
In the set up screen, specify "End" for Payment and then press J.
P.7
Perform the following key operation from the input screen.
u u u u u Installment savings
Example
P.7 In the set up screen, specify "End" for Payment and "Fix2" for Display, and then
press J.
P.6
ba*bcw(Input
c
-gaaaw(
PMT
aw(
= 0)
baaaaw(
bw
bcw(Monthly compounding)
I
2(
%)
Calculate the amount of time required to increase an initial
investment of $5,000 to a total of $10,000 at an annual rate of
4%, compounded monthly.
c
I
ew(
% = 4)
-faaaw(
PMT
aw( = 0)
baaaaw(
bw
bcw(Monthly compounding)
n
1( )
Calculate (to two decimal places) the principal plus interest for
$250 monthly installments for five years at 6% annual interest,
compounded monthly.
Calculate amounts for when installments are made at the
beginning of each month and at the end of each month.
n
= 10 ! 12.)
PV
= –6,000)
FV
= 10,000)
PV
= –5,000)
FV
= 10,000)
330