CalculatorApp Assignment

If you want to test bad user input... give your program to a child. I think I have caught as many exceptions as I could. This calculator works by asking the user to select and operation, checks to see if the operation is available, then asking for the digits and completing the computation. I chose to use methods to handle all the heavy lifting. I also did not use a million if else statements this time. So I am very proud of this calculator.