Quick automated GUI example.

testing.cs

[TestMethod]
  public void MultiplicationNegativeBoth()
    {
      this.UIMap.StartApplication();

      // Both negative decimal 
      this.UIMap.NegativePressed();
      this.UIMap.FivePressed();
      this.UIMap.MultiplicationPressed();
      this.UIMap.NegativePressed();
      this.UIMap.EightPressed();
      this.UIMap.PressEnter();

      this.UIMap.CloseApplication();
    }