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The content is free. And you can "audit" any course you want. The only thing you pay for is the certificate.
by duderoso 6y ago
The content is free. And you can "audit" any course you want. The only thing you pay for is the certificate.
- tenkabuto 6y agoIt seems like you can't do quizzes without paying, either. :/ Difficult for learning more math without finding relevant quizzes elsewhere.