Built around how AP Calc AB is scored.

CalcPrep organizes every concept into the eight official College Board units, then measures mastery per unit from your own practice attempts. Study priorities are ranked by a blend of mastery gap, recent score trend, days since practice, missed concepts, and each unit's share of the exam.

Guests can read the entire concept library. A free student account adds saved progress, quiz history, mistake analysis, the AI study queue, and the AI tutor.