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AP exam prep (unofficial)

Study notes for 15 AP courses: every one of the 106 units summarised, the exam format and timing, the calculator rules, and practice you can score yourself. 41 units have detailed topic notes or practice so far.

Math

Science

Computer science

Economics

How to use these pages

Start on a course page to see the whole syllabus at a glance and how the exam is split into sections. Each unit links to its own page when there are topic notes or practice for it. Work on the units you are least sure of first, then switch to timed practice so the clock feels normal on exam day.

Exam formats and unit lists here are written from public course descriptions and may change from year to year. Check your teacher's guidance and the official course description for your exam year.

Need general practice too? Try the quizzes, flashcards or the step-by-step solver.