Study

Active recall and spaced repetition across the bookshelf.

Reading and re-reading is not understanding. This deck draws cards from every glossary, every authored Check yourself prompt, and every Predict before reveal interactive across the bookshelf, and schedules them by an SM-2 spaced-repetition algorithm. Review state is stored locally on this device — no account, no sync.

Press space to reveal an answer. Grade 1 Again, 2 Hard, 3 Good, 4 Easy. Cards you grade Good or Easy reappear at exponentially-spaced intervals.