User Manual

Ck-49
I
% = 0
PV
= – (
PMT
×
n
+
FV
)
PMT = –
n
PV + FV
FV
= – (
PMT
×
n
+
PV
)
n =
PMT
PV + FV
–
1+ i × Frac (n) ....... dn : SI (设置屏幕)
(1+ i ) .......... dn : CI (设置屏幕)
=
0 .........................Payment : End
(设置屏幕)
1 .........................Payment : Begin
(设置屏幕)
S =
i
=
100
I%
I%
(1+ ) –1
100 × [C/Y]
............................... (P/Y = C/Y = 1)
(上述情况之外) .....
= (1+ i × S) ×
, = (1+ i )
i
1 –
(–Intg(n))
Frac(n)
C/Y
P/Y
I
%
i
( 实际利率 )
使用牛顿方法计算
i
( 实际利率 )。
γ
× PV +
α
× PMT +
β
× FV = 0
从
i
(实际利率)到
I
%
{ }
× C/Y × 100...
I% =
(1+ i )–1
P/Y
C/Y
(上述情况之外)
i × 100 ................................ (P/Y = C/Y = 1)
{
S