Simply define your personal university course containing different modules with its affiliated credit points. If you don’t know how to start, you can import an example profile given in the app.
Right after a short setup, you can insert new grades as you get them to see your current grade (GPA) and a possible projection for your degree.
Those results are already calculated even when there are still unspecified grades, so GradeCalc is the optimal companion through all of your studies.
Please contact me if you have any question, problem or feature request regarding the app, and I will be happy to help.