github:m98/fluent · first seen 2026-10-31 · source · badge
SM-2 spaced-repetition algorithm reference for the Fluent language learning system. Use whenever the tutor schedules the next review of a vocabulary item, grammar rule, or error pattern â i.e. after every answered review question. Defines the 0-5 quality scale, interval formula, easiness-factor update, and mastery-level transitions that keep the spaced-repetition database correct.
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