Watch a short animation that shows the idea before you're asked about it. Pick the right answer and your score climbs and the questions get harder. Miss one, and things ease back up so you can rebuild. Reach 100 points before the clock runs out to win.
50 questionsPolynomial & rational, exponential & log, and trig & polar functions — the full AP Precalculus exam scope.
Adaptive difficultyFive steps of difficulty. Correct answers push you up; misses bring you back down to solid ground.
Picture-firstEvery question opens with a drawn animation of the concept — see it, then answer it.
Race the clockSet your own timer. When it hits zero, the run ends immediately and your certificate is generated.