After spending a lot of time at a school with lousy grading software, I set about creating my own gradebook in Excel. Over time, I added new features and now, after countless hours of tinkering, I think it's better than most of the premium subscription-based gradebooks out there.Overview of features:- Up to five weighted grading categories (e.g., participation, homework, tests)- Accurate calculations--even when, for example, there is a category with no scores entered yet- Codes for absent, exemp