[KongchangAI]
Unverified50% confidenceFactExact time

The SuperMemo software introduced the SM-2 algorithm in 1987, dynamically calculating the optimal interval for the next review of each knowledge point based on the user's recall difficulty.

1
Sources
50%
Confidence
Long-term
Relevance
9/9/2026
First Seen

Sources

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Stable URI
https://kongchang.com/claim/881408
API
curl https://kongchang.com/api/v1/knowledge/claims/881408
MCP
get_claim(id=881408)