Casio BF-100 - Page 14

6-1
Compound
Interest
Calculations
e
Compound
interest
calculation
is
performed
in
the
INT
mode
(press
key
until
“INT
is
displayed).
e
Financial
keys
used
for
compound
interest
calculation
are
&),(0,@,
and
EY)
.
@
Each
data
element
can
be
calculated
as
follows:
Total
amount
of
principal
and
interest
FV
=PV
(1+
ry
ae
ae
FV
Principal
PV
=
FV
(141)
.
a
are.
Number
of
periods
ne
Tog(1+i)
:
4,
FV
an
|
Interest
rate
1%
=
py!
—
1
j
*
100
Interest
L=pvir+i)"—Pv
1.
Total
amount
of
principal
and
interest
Example
1
—
What
is
the
total
amount
of
principal
and
interest
on
a
$5,000
principal
at
6%
annual
interest
compounded
annually
over
a
period
of
7
years?
~24-
READ-OUT
OPERATION
Press
key
until
“INT”
is
displayed.
(same
for
below)
“wr”
=
(number
of
years)
7
OO
(annual
interest)
6
H&E
iat
eee
(principal)
5000
Bry
(total
amount
of
principal
and
interest)
fxs)
FY)
*
Data
may
be
input
in
any
sequence.
(same
for
below)
Example
2
—
Recalculate
Example
1
for
semiannual
compounding
of
interest,
OPERATION READ-OUT
i
72808
ca280m
5000889
ae
~25-
fe Nee