<p>Hey guys, I was studying with Barron's for Calc AB (self studying) and heard PR is much better than Barrons. But I remember PR didn't separate AB from BC and both were mixed up. Tell me if I am wrong. I find Barron's too much info and was wondering if I should buy PR.</p>
<p>Between Barrons and PR, I say PR. Barron’s information is very superfluous, while Princeton does a good job to prepare you, and the practice exams are a little harder, but not compared to Barron’s. I say, Be Prepared for the AP Calculus Exam is also very good, as it is very up to date but gives you tips on how often the AP exam puts questions on specific topics. I like that one, but its up to you.</p>
<p>Here is a free calculus textbook:</p>
<p>[Free</a> Online Course Materials | Resource Home | MIT OpenCourseWare](<a href=“http://ocw.mit.edu/resources/res-18-001-calculus-online-textbook-spring-2005/]Free”>Calculus Online Textbook | Supplemental Resources | MIT OpenCourseWare)</p>