VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "求1！+2!+3!....+10!"
   ClientHeight    =   3090
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3090
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command1 
      BackColor       =   &H000000FF&
      Caption         =   "計 算"
      BeginProperty Font 
         Name            =   "宋體"
         Size            =   24
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   855
      Left            =   1200
      TabIndex        =   1
      Top             =   1800
      Width           =   2175
   End
   Begin VB.TextBox Text1 
      BackColor       =   &H008080FF&
      BeginProperty Font 
         Name            =   "宋體"
         Size            =   36
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00FF0000&
      Height          =   975
      Left            =   720
      TabIndex        =   0
      Top             =   240
      Width           =   3375
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Dim s As Long, x As Long
x = 1
For i = 1 To 10 Step 1
x = x * i
s = s + x
Next
Text1.Text = s
End Sub