I found Paul's Notes (http://tutorial.math.lamar.edu/ http://tutorial.math.lamar.edu/) invaluable while I was taking calculus in college (not with Paul, or at L

I found Paul's Notes (http://tutorial.math.lamar.edu/ http://tutorial.math.lamar.edu/) invaluable while I was taking calculus in college (not with Paul, or at Lamar, but his notes are the best).