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View Free Online Textbooks, Flashcards, Adaptive Practice, Real World Examples, Simulations | CK-12 Foundation outages and uptime

CK-12 Foundation provides a library of free online textbooks, videos, exercises, flashcards, and real world applications for over 5000 concepts from arithmetic to history Reported Problems

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For 98d 13h 19m

(Mar 15, 2024 6:09:50 PM UTC)




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Latest Downtime

Mar 05, 2024 7:26:38 PM UTC

Lasted for 9d 22h 43m

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