Guide to Self-Studying Calculus BC (while taking AB). Self-Studying Calc BC while taking Calc AB AP Calc AB vs. Calc BC In college, there are two calculus courses: Calculus I and Calculus II. Calc AB tests on Calculus I ONLY, and Calc BC tests BOTH Calculus I and Calculus II (consider it like a big final exam in all of basic calculus!) Should I do Calculus BC? It is a very worthwhile.