Welcome to the Calc Medic AP Precalculus course! Here you will find Experience First, Formalize Later (EFFL) lessons for every topic of the College Board's Course and Exam Description (CED) for AP Precalculus. Our alignment guide shows where each topic in the CED is covered in our curriculum. We also have homework, quizzes, and tests for AP Precalculus available through the Math Medic Assessment Platform.