Spaced review
What to study next
Every question you answer is filed. A miss comes back tomorrow; hold it and it returns in three days, then a week, then a month. Nothing here is uploaded — the schedule is yours.
Tracked
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Due now
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Still shaky
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Held firmly
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Today's set
Sit a paper first
Review draws on the papers you have sat. Take any quiz and your misses will start arriving here.