Casio BF-100 - Page 23

OPERATION READ-OUT
“BNS"
we( CO
(amount borrowed) 40000 iby)
(interest rate) 607 8128M4
(period) 108128 aH
(bonus
payment)
1000
fa
6x3
;
(number
of
months)
3
et)
<
ee
(number of days) : 15 @@)
(monthly
payment)
(as)
a)
|
290.8048549
|.
6-5
Installment
Savings
eee
@
Installment
savings
is
calculated
in
the
‘’SF'
mode.
(Press
the
woo]
key
until
SF"
is
displayed)
However,
if
an
initial
deposit
is
made,
use
""INT’’
mode
to
input
the
number
of
periods
and
the
interest
rate.
=
@
Installments
can
be
calculated
when
paid
at
the
beginning
of
the
period
or
at
the
end
of
the
period
by
pressing
to
display
“Gam
”’
or’
Gi
-42-
te See
e@ Each data element is obtained using the following formulas.
Beginning of period payment
Total amount of principal and interest
Deposit amount
Period
Interest rate
End of period payment
_ Total amount of principal and interest
Deposit amount
Period
Interest rate
;yn
FV =PMT. (1 v7) ALB
FV i
PMT = [ure i ceceeemencmterinere mnammemened
(V+t) (1+ 0)" —1
i FV
falas pur *
log (1 +2)
Approximation formulas by Newton's Law
+i)" —4
FV = PMT > j
PMT = FV erase
(1 +r)" 4
» oF
log (iho 1)
log (1 +7)
Approximation formulas by Newton's Law
~43-