[ TAG: SM-2 ]

POSTS TAGGED "sm-2"

Science-backed guides mapping out vocabulary retention, spaced repetition, and linguistic mastery—straight from the Wordrop devs.

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#sm-2 #supermemo

How SM-2 (SuperMemo 2) Works: The Spaced Repetition Algorithm Behind Wordrop

SM-2 is the spaced repetition algorithm developed by Piotr Woźniak in 1987 that calculates the optimal review interval for each vocabulary word individually. This guide explains the exact formula, step-by-step examples, and why Wordrop uses SM-2 to help people learn vocabulary permanently.

📅 Apr 20, 2026⏱ 14 min read

#spaced-repetition #vocabulary

What Is Spaced Repetition? Definition and Science

Spaced repetition is a learning technique that schedules reviews at increasing intervals to maximize long-term memory retention. This complete guide explains how it works, the science behind it, and how to use it to learn vocabulary faster.

📅 Mar 24, 2026⏱ 10 min read