Code — Visual Basic 10 Scientific Calculator

Private Sub btnSin_Click(sender As Object, e As EventArgs) Handles btnSin.Click Try Dim angle As Double = Convert.ToDouble(txtDisplay.Text) Dim result As Double = Math.Sin(angle * Math.PI / 180) txtDisplay.Text = result.ToString() Catch ex As Exception txtDisplay.Text = "Error" End Try End Sub

Private Sub btnMultiply_Click(sender As Object, e As EventArgs) Handles btnMultiply.Click txtDisplay.Text &= "*" End Sub Visual Basic 10 Scientific Calculator Code

Private Sub btn2_Click(sender As Object, e As EventArgs) Handles btn2.Click txtDisplay.Text &= "2" End Sub Private Sub btnSin_Click(sender As Object, e As EventArgs)