ROUND ROCK, Texas — Round Rock High School Senior Aditya Velamuri tutors his fellow students in calculus. He knows how to teach others because he taught himself calculus when he was living in India.

Maybe the nature of this community will turn up with more responses to this thread: list the <b>Calculus</b> textbook that you used, or are using, in college (or high school, and/or the equivalent), ...