make a calculator yourself on visual basic program

Another essential program is calculator we use it many times in a day. But do you even try to make it yourself I mean calculator ha ha ha ha don’t afraid I will help you to make a nice calculator. I am sure that you will be success to make it yourself. To do this work you will need a visual basic software.

Another essential program is calculator we use it many times in a day. But do you even try to make it yourself I mean calculator ha ha ha ha don’t afraid I will help you to make a nice calculator. I am sure that you will be success to make it yourself. To do this work you will need a visual basic software. So at first install it to your personal computer.  Now open visual basic windows and arrange the code given bottom and enjoy it.  

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Option Explicit Dim Operand1 As Double, Operand2 As Double Dim Operator As String Dim ClearDisplay As Boolean Private Sub ClearBttn_Click() Display.Caption = "" End Sub Private Sub Digits_Click(Index As Integer) If ClearDisplay Then Display.Caption = "" ClearDisplay = False End If Display.Caption = Display.Caption + Digits(Index).Caption End Sub Private Sub Div_Click() Operand1 = Val(Display.Caption) Operator = "/" Display.Caption = "" End Sub Private Sub DotBttn_Click() If ClearDisplay Then Display.Caption = "" ClearDisplay = False End If If InStr(Display.Caption, ".") Then Exit Sub Else Display.Caption = Display.Caption + "." End If End Sub Private Sub Equals_Click() Dim result As Double On Error GoTo ErrorHandler Operand2 = Val(Display.Caption) If Operator = "+" Then result = Operand1 + Operand2 If Operator = "-" Then result = Operand1 – Operand2 If Operator = "*" Then result = Operand1 * Operand2 If Operator = "/" And Operand2 <> "0" Then result = Operand1 / Operand2 Display.Caption = result ClearDisplay = True Exit Sub ErrorHandler: Dim intMsg As Integer intMsg = MsgBox("The operation resulted in the following error" _ & vbCrLf & Err.Description, vbOKCancel) Display.Caption = "ERROR " & intMsg ClearDisplay = True End Sub Private Sub Form_Load() End Sub Private Sub Minus_Click() Operand1 = Val(Display.Caption) Operator = "-" Display.Caption = "" End Sub Private Sub Over_Click() If Val(Display.Caption) <> 0 Then Display.Caption = 1 / Val(Display.Caption) End Sub Private Sub Plus_Click() Operand1 = Val(Display.Caption) Operator = "+" Display.Caption = "" End Sub Private Sub PlusMinus_Click() Display.Caption = -Val(Display.Caption) End Sub Private Sub Times_Click() Operand1 = Val(Display.Caption) Operator = "*" Display.Caption = "" End Sub

                                          
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