The Dynamic eBook App is a complete electronic version of the Big Ideas Math student edition that includes interactive digital resources. This app allows you to navigate through the book, highlight important information, and add notes or bookmarks. With a data or internet connection, you can access embedded, digital enhancements such as Lesson Tutorial Videos, Student Journal PDF’s, and Dynamic Investigations. OS Compatibility: 1. This app is compatible with Mac OS 10.9. 2. To download the app on Mac OS 10.10 & above, please search for "Big Ideas Math 10.10+" on Apple Store. 3. Login with the same credentials you use to access BigIdeasMath.com.