If you need to know it, it"s in this book. Cracking the AP Calculus AB and BC Exams, 2012 Edition, includes: 5 full-length practice tests with detailed explanations (3 for AB and 2 for BC). Over 400 practice questions to hone your skills. Detailed answers and explanations to show you exactly how to improve. A cheat sheet of key formulas. Updated strategies which reflect the AP test scoring change. Engaging and comprehensive review of all topics, from derivatives to integrals to logarithmic functions.