Public Class Form1 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load End Sub Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalc.Click Dim weight As Double Dim height As Double Dim total As Double weight = txtWeight.Text height = txtHeight.Text total = (weight * 703) / (height ^ 2) txtBMI.Text = "The BMI is " & Math.Round(total) End Sub Private Sub TextBox2_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtHeight.TextChanged End Sub End Class