Easy Grade Pro promises that version 4.0 "uses a unique method that ensures the maximum benefit for each student" when dropping more than one worst score from a category.
But consider a student with the following 8 quiz scores. When Easy Grade Pro is asked to drop the 3 worst scores in this category, it drops Quiz 3, 4, and 5, for a new grade of 48.3%. But dropping Quiz 3, 6, and 7 gives a better grade of 50.6%. Easy Grade Pro 4.0 is wrong by 2.3%!
Gradekeeper drops the correct quizzes to give the best possible grade:
Or consider the following 8 quiz scores. Easy Grade Pro chooses to drop Quiz 2, 3, and 6, for a grade of 78.4%. But dropping Quiz 3, 6, and 7 gives a better grade of 79.4%. Easy Grade Pro is wrong by 1.0%!
Again, Gradekeeper drops the correct quizzes to give the best possible grade:
When Easy Grade Pro is asked to drop more than one worst score, it gets it wrong about 1 out of every 30 times. Can you live with one incorrect grade for every one of your classes? Especially if the error is more than 2.0%?