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 4 weeks

(Sep 26, 2020 5:54 a.m. UTC)




None recorded

Latest Downtime

Sep 26, 2020
2:47 a.m. UTC

Lasted for 3 hours, 6 minutes

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