Need additional study help for your Chemistry class? Always wanted to learn the basics of reading music, but never had the time or the right book? Looking to explore new subjects or topics, all for FREE? OpenStax CNX provides free textbooks covering Science, Mathematics, Engineering, Programming, Music and more. This includes the peer-reviewed OpenStax College textbooks. Key features are
- View textbooks in the app.
- in-book search
- Returns you to previous location in book
- Search OpenStax CNX for the content you need.
- Take notes in the app, export them as text files to your phone or share via email or text.
- Share the great content you find with others via email, text, Facebook, Twitter, etc.
- Save your Favorites for quick access when you return to the app.
All for FREE.
Permissions used by the app:
Internet - used to retrieve content from OpenStax CNX. App is TOTALLY AD FREE!
Write External Storage - used to export notes as text files
Access Network State - used to check if a data connection is available before retrieving content.
OpenStax CNX, http://cnx.org, is an open source project and is affiliated with Rice University. The Android app is open source too.
需要为你的化学课更多的研究帮助？一直想学的读取音乐的基础知识，但从来没有时间或正确的书？希望探索新的主题或主题，全部免费？ OpenStax CNX提供免费教科书涵盖科学，数学，工程，编程，音乐等等。这包括同行评议的OpenStax学院的教科书。主要特点是
  - 在应用程序视图的教科书。
  - 在图书搜索
  - 返回你在本书前面的位置
  - 搜索OpenStax CNX您需要的内容。
  - 记笔记的应用程序，它们通过电子邮件或文本导出为文本文件到您的手机或共享。
  - 分享你通过电子邮件，文本，Facebook，微博等其他人找到伟大的内容
  - 当您返回到应用程序保存您的收藏夹，以便快速访问。
 
 所有这些都是免费。
 
 由应用程序使用权限：
 
 互联网 - 用于检索从OpenStax氮化碳含量。应用程序是完全无广告！
 写外部存储 - 用于出口票据为文本文件
接入网络状态 - 用来检查一个数据连接检索内容之前可用。
 
 OpenStax CNX，http://cnx.org，是一个开源项目，并参加与莱斯大学。 Android应用程序是开源的了。

- Added 6 additional OpenStax books to Featured Books
- American Government
- Calculus volumes 1-3
- Chemistry: Atoms First
- Prealgebra