Simple Calculator

This is a buggy application that will be used for Lab5 of 'Introduction to Open Source Software Development.'

• Fork the project.
• Create a topic branch from master.
• The branch name must be your student id. (e.g. 201624000)
• Make some commits to improve the project.
  • Fix the well-knwon bugs.
  • Remove object and binary files.
  • Add .gitignore file
• Push this branch to your GitHub project.
• Open a Pull Request on GitHub.
• The Pull Request must be submitted to master branch of Classroom-IOSSD/SimpleCalculator!
• Capture the Pull Request and upload it to PLMS.