this is for visual studio

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