数学公式解析类，内附详细源代码和可执行Demo，包括c++和com的Sample -Mathematical formula parsing class, included detailed source code and executables Demo, including the c++ and the com of the Sample

分析器，可以分析语言，功能强大，但很度较大，需要编译原理较高的水准；-Analyzer can analyze language, powerful, but it is larger, the higher the level of principle needs to be compiled