/// <summary>
 /// is Four Function Calculator displayed?
 /// </summary>
 /// <returns>true or false</returns>
 public bool IsDisplayedFourFunctionCalculator()
 {
     FourFunctionCalculator.WaitUntilExists(3);
     //debugging
     FourFunctionCalculator.Displayed = FakeDummyBooleanValue;
     return(FourFunctionCalculator.Displayed);
 }
 /// <summary>
 /// is Four Function Calculator checked?
 /// </summary>
 /// <returns>true or false</returns>
 public bool IsCheckedFourFunctionCalculator()
 {
     FourFunctionCalculator.Wait(3);
     //debugging
     FourFunctionCalculator.Selected = FakeDummyBooleanValue;
     return(FourFunctionCalculator.Selected);
 }
 /// <summary>
 /// uncheck Four Function Calculator
 /// </summary>
 public void UnCheckFourFunctionCalculator()
 {
     FourFunctionCalculator.Wait(3).UnCheck();
     //debugging
     FourFunctionCalculator.Selected = false;
 }
 /// <summary>
 /// check Four Function Calculator
 /// </summary>
 public void CheckFourFunctionCalculator()
 {
     FourFunctionCalculator.Wait(3).Check();
     //debugging
     FourFunctionCalculator.Selected = true;
 }