Online Documentation and the Documentation Center

Mathematica Simplified Chinese Edition contains the complete online Mathematica documentation. The fully integrated Documentation Center features thousands of detailed examples, animations, tutorials, and other material, all carefully translated into Chinese, to assist you while using Mathematica.

The Documentation Center guide page, which provides a complete conceptual view of the Mathematica system, is shown below.

Here is the documentation for Manipulate, as seen from within the Documentation Center.