โปรแกรม Cal

Private Sub Command1_Click( )
x = Val(Text1.Text)
y = Val(Text2.Text)
z = x + y
Label1.Caption = z
End Sub

Private Sub Command2_Click( )
x = Val(Text1.Text)
y = Val(Text2.Text)
z = x - y
Label1.Caption = z
End Sub

Private Sub Command3_Click( )
x = Val(Text1.Text)
y = Val(Text2.Text)
z = x * y
Label1.Caption = z
End Sub

Private Sub Command4_Click( )
x = Val(Text1.Text)
y = Val(Text2.Text)
z = x / y
Label1.Caption = z
End Sub

Private Sub Command5_Click( )
Text1.Text = " "
Text2.Text = " "
Label1.Caption = " "
End Sub

Private Sub Command6_Click( )
End
End Sub

Private Sub Form_Load( )

End Sub

Private Sub Text1_Change( )

End Sub