Trabalhos Visual Basic

Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        TextBox3.Text = Val(TextBox1.Text) + Val(TextBox2.Text)

    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

        TextBox6.Text = TextBox4.Text - TextBox5.Text

    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click

        TextBox9.Text = TextBox7.Text * TextBox8.Text

    End Sub

    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click

        TextBox12.Text = TextBox10.Text / TextBox11.Text

    End Sub

    Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click

        TextBox1.Text = ""

        TextBox2.Text = ""

        TextBox3.Text = ""

        TextBox4.Text = ""

        TextBox5.Text = ""

        TextBox6.Text = ""

        TextBox7.Text = ""

        TextBox8.Text = ""

        TextBox9.Text = ""

        TextBox10.Text = ""

        TextBox11.Text = ""

        TextBox12.Text = ""

    End Sub

    Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click

        End

    End Sub

    Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click

        Form2.Show()

        Me.Hide()

    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub

End Class