Pfister was a fine professor, sometimes hard to understand. The class was fun, a lot of demos, but overall you learn more from the textbook than the professor. This class was sort of difficult but the exams look exactly alike the homework questions, with some repeated questions. There is homework about once a week, but most of the questions you can find online. Majority of the grade is with participation which is on learning catalytics, but if you go to class you can get a decent grade.