CK-12 Foundation

Rated 4.94(17) — CK-12 Foundation

Do the laws of physics only apply to a science classroom or lab? No Way! With this free CK-12 Physics Simulation App, you are able to explore over 80 exciting real-world settings and discover the laws of physics that govern the world around you in a...

Rated 4.30(67) — CK-12 Foundation

With the free CK-12 FlexBook® app for smartphones, you have the power to read the entire collection of CK-12 FlexBook® textbooks on your phone. All CK-12 FlexBook® textbooks are aligned to content standards. You can also download the textbooks on...

Rated 4.20(432) — CK-12 Foundation

With the free CK-12 app for phones and tablets, you’re in control of learning. CK-12 features 5000+ math and science lessons and concepts - all accessible anytime, anywhere. All content is created and curated by teachers, for students. Whether you’re...