The only study guide you'll need for the AP Calculus AB/BC test--revised and updated, now with a 20-question Diagnostic Quiz Confidence is key when taking any exam, and it will come easier if you spend your test prep time wisely--even if you've been so busy that you've put off preparing until the last weeks before the exam. You'll find the smartest, most effective test prep in 5 Steps to a 5: 500 AP Calculus AB/BC Questions to Know...