VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3090
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3090
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command4 
      Caption         =   "/"
      Height          =   495
      Left            =   3720
      TabIndex        =   6
      Top             =   2400
      Width           =   855
   End
   Begin VB.CommandButton Command3 
      Caption         =   "*"
      Height          =   495
      Left            =   3720
      TabIndex        =   5
      Top             =   1680
      Width           =   855
   End
   Begin VB.CommandButton Command2 
      Caption         =   "-"
      Height          =   495
      Left            =   3720
      TabIndex        =   4
      Top             =   960
      Width           =   855
   End
   Begin VB.CommandButton Command1 
      Caption         =   "+"
      Height          =   495
      Left            =   3720
      TabIndex        =   3
      Top             =   240
      Width           =   855
   End
   Begin VB.TextBox Text3 
      Height          =   735
      Left            =   360
      TabIndex        =   2
      Top             =   2280
      Width           =   1815
   End
   Begin VB.TextBox Text2 
      Height          =   735
      Left            =   360
      TabIndex        =   1
      Top             =   1200
      Width           =   1815
   End
   Begin VB.TextBox Text1 
      Height          =   735
      Left            =   360
      TabIndex        =   0
      Top             =   240
      Width           =   1815
   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 x As Integer
x = Text1.Text
Dim y As Integer
y = Text2.Text
Dim z As Single
z = x + y
Text3.Text = z


End Sub

Private Sub Command2_Click()
Dim x As Integer
x = Text1.Text
Dim y As Integer
y = Text2.Text
Dim z As Single
z = x - y
Text3.Text = z
End Sub

Private Sub Command3_Click()
Dim x As Integer
x = Text1.Text
Dim y As Integer
y = Text2.Text
Dim z As Single
z = x * y
Text3.Text = z
End Sub

Private Sub Command4_Click()
Dim x As Integer
x = Text1.Text
Dim y As Integer
y = Text2.Text
Dim z As Single
z = x / y
Text3.Text = z
End Sub