[KongchangAI]
Unverified50% confidenceFactExact time

The open-source flashcard tool Anki uses an improved version of SM-2 and has accumulated millions of users.

1
Sources
50%
Confidence
Long-term
Relevance
9/3/2026
First Seen

Sources

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Stable URI
https://kongchang.com/claim/850092
API
curl https://kongchang.com/api/v1/knowledge/claims/850092
MCP
get_claim(id=850092)