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Taught by Garrity, this is both an easy and entertaining class. Homework is optional, but TAs will "grade" it if you do it. There are weekly quizzes, but these involve the easiest conceivable problems from the previous week's material. There are three exams, and about 10% of the class received a 100 on each of the first two exams. If you've taken Calc AP BC, which presumably everyone in the class has done, there's very little material that is really new. I got an A on about half an hour of work per week.