Everyone
Getting Started
FlexBook® Textbooks
Practices & Quizzes
Using the CK-12 Cafe
FlexBook App
Mobile Practice App
Content
CK-12 Implementation Models
Simulations & PLIX
Copyright, Licensing & Attribution
- Who Owns the FlexBook® Textbook I Create? What Are My Rights as a Creator?
- Attribution to CK-12 Overview
- How to Attribute FlexBook® Textbook Content Under the CC BY-NC License
- Can I Add Copyrighted Material in My FlexBook® Textbook?
- Who Is the Author of My FlexBook® Textbook?
- How to Obtain Permission to Use CK-12's Images
General FAQ
- How to Update Account Information
- How to Sign in with a CK-12 Username Instead of an Email Address
- How Is CK-12 Different from Other K-12 Resources?
- Does CK-12 Provide K-5 Materials?
- Content in Languages Other Than English
- What Does The "C" in CK-12 Stand For?
Braingenie
CK-12 Resource Bookmarklet
Troubleshooting & System Requirements
- Troubleshooting Checklist
- Is My Browser Supported?
- My page is slow to load or stuck on loading
- How to enable cookies
- I Can't Sign in to CK-12 with My Login Credentials
- Videos Are Not Playing on My Windows Device