How To: Make a simple calculator in Visual Basic

Make a simple calculator in Visual Basic

How to Make a simple calculator in Visual Basic

If you're new to the Visual Basic IDE, looking to brush up on your VB programming skills, or simply have a burning desire to code a simple calculator, this three-part video lesson is for you.

Here's the code used:

Option Explicit On
Public Class Form1
Dim FirstNumber As Single
Dim SecondNumber As Single
Dim AnswerNumber As Single
Dim ArithmeticProcess As String
Private Sub cmd1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmd1.Click
txtDisplay.Text = txtDisplay.Text & 1
End Sub
Private Sub cmd2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmd2.Click
txtDisplay.Text = txtDisplay.Text & 2
End Sub
Private Sub cmd3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmd3.Click
txtDisplay.Text = txtDisplay.Text & 3
End Sub
Private Sub cmd4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmd4.Click
txtDisplay.Text = txtDisplay.Text & 4
End Sub
Private Sub cmd5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmd5.Click
txtDisplay.Text = txtDisplay.Text & 5
End Sub
Private Sub cmd6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmd6.Click
txtDisplay.Text = txtDisplay.Text & 6
End Sub
Private Sub cmd7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmd7.Click
txtDisplay.Text = txtDisplay.Text & 7
End Sub
Private Sub cmd8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmd8.Click
txtDisplay.Text = txtDisplay.Text & 8
End Sub
Private Sub cmd9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmd9.Click
txtDisplay.Text = txtDisplay.Text & 9
End Sub
Private Sub cmdDecimal_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdDecimal.Click
txtDisplay.Text = txtDisplay.Text & "."
End Sub
Private Sub cmdClear_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Han

(1) Part 1 of 3 - How to Make a simple calculator in Visual Basic, (2) Part 2 of 3 - How to Make a simple calculator in Visual Basic, (3) Part 3 of 3 - How to Make a simple calculator in Visual Basic

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