Casio FC-200V User Manual
Page 51
E-49
u
u
u
u
u I %
i
(effective interest rate)
i
(effective interest rate) is calculated using Newton's
Method.
γ
× PV +
α × PMT +
β
× FV = 0
To
I
% from
i
(effective interest rate)
I
% = 0
PV
= –
(PMT
×
n
+
FV
)
FV
= – (
PMT
×
n
+
PV
)
PMT
= –
n
PV
+
FV
n
=
PMT
PV
+
FV
–
= (1 +
i × S) ×
,
=
(1 + i)
i
1
–
(–Intg(n))
β β
α
1 +
i ×
Frac
(n) ....... dn : SI (Setup Screen)
(1 +
i )
Frac
(
n
)
........... dn : CI (Setup Screen)
γ
0 ............................ Payment : End
(Setup Screen)
1 ............................ Payment : Begin
(Setup Screen)
i
=
100
I
%
{
I
%
(1 +
)
–1
C/Y
P/Y
100
× [C/Y ]
............................... (P/Y = C/Y = 1)
(Other than
those above)
=
{
{
S
=
.....
{ }
×
C
/Y
×
100 ...
I
% =
(1 + i )
–1
P
/Y
C
/Y
(Other than
those above)
i
× 100 ................................. (P/Y = C/Y = 1)
{