參考代碼:
Dim?i?As?Integer
For?i?=?1?To?10
Sum?=?Sum?+?jc(i)
Next
MsgBox?Sum
End?Sub
Function?jc(a?As?Integer)
jc?=?1
For?i?=?1?To?a
jc?=?jc?*?i
End?Function