[求助]vb代码
S =3！+7！+12！1.编一个求n!的子过程通过子过程求S.
2.编一个求n!的子过程通过子过程求S.
不好意思哦，又要 你们解哦。帮帮忙吧！
private function Factorial (byval Num as integer) as long
dim i as integer
Factorial = 1
for i = 2 to Num
Factorial = Factorial * i
next i
end function
private sub Factorial (byval Num as integer, byref lngRet as long)
dim i as integer
lngRet = 1
for i = 2 to Num
lngRet= lngRet* i
next i
end sub
