⚠️ DEMO — simplified adaptation model.
Difficulty adaptation is a simple 2-in-a-row rule and spaced repetition is a
simplified SM-2 (see README for the interval math). Nothing here models real learning science fully.
—accuracy
0questions answered
0reviews due
Current difficulty: MEDIUM
Skill meter (per current streak):
2 consecutive correct → level up · 2 consecutive wrong → level down
Quiz
⏰ Review queue (spaced repetition)
Every answered question becomes a review card scheduled with simplified SM-2.