CK-12
Language: English Version: v0.2 Size: 2.0 GB Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0)
High quality textbooks for students from sixth grade through high school on STEM (Science, Technology, Engineering and Math) from ck12.org.
http://www.ck12.org/
Download Options
Zip File over the web ( Unzip with 7-zip or Upload to RACHEL )
Zip File over FTP (host: ftp.worldpossible.org user/pass: anonymous)
Rsync
Copy & paste the above command to any Unix-based system to begin download. Rsync can pick up where it left off and only downloads changes. It's the most efficient way to stay up-to-date with RACHEL modules.
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