软件版本3.10 用户说明书
u
SI
n
PV
I
SFV
1
1
n
I
PV
•
•
•
•
•
SI' =
n
365
× PV × i
SI' =
n
360
× PV × i
I%
100
i =
I%
100
i =
SI = –SI'
SFV = –(PV + SI' )