用vb求1到n的阶乘和的程序:
自己编写函数代码:
Private Function jieC(Byval n As Integer) As Long
Dim i As Integer
Dim Fac As Long
Fac = 1
For i = 1 To n
Fac = Fac * i
Next i
jieC = Fac
End Function
在需要求阶乘的地方,调用该函数:
例如:
Dim y As Long
y = jieC(10) '求阶乘(10)将用10调用上面的自定义函数,返回10的阶乘