Also check which course your univiersity requires.

If you did well in precalculus, especially if you found this course quite easy then you should consider going taking BC. How can students decide between taking AB and BC? Precalculus is the main prerequisite for both Calculus AB and Calculus BC. There are two AP calculus options - AB and BC. Every single AP Calculus AB and BC past exam paper including full papers, mark schemes and written mark schemes/model solutions for the multiple choice and free response questions from 1969 onwards can be found below.