70% of students who have bought this book said that they did not need the hard copy to pass the class. Were they right? Add what you think:
Study Guide for Stewart/Redlin/Watson's Precalculus: Mathematics for Calculus 7th Edition Student Assesment
Ramiro from University of California Santa Barbara said
"If I knew then what I knew now I would not have bought the book. It was over priced and My professor only used it a few times."