Expert answer:You are in the testing phase of a graphic user interface (GUI): a calculator.Address the following:Download the calculator executable file and source code file. Test your calculator’s graphic user interface and fix any problems you find. Clean the interface so it is clearly understandable to everyone and consistent throughout. Submit the revised file for this calculator. Submit a 1–2-page Word document that explains the following: Your testing, verification, and validation methods All programming and interface problems you found All programming and interface solutions you implemented Your description of the software quality of the calculator
