计算PI的值有各种各样 ，看看这个算法是不是很简洁呢

开发软件的时候需要写ChangeList,要保持所改的文件的目录结构，所以手工建立比较繁琐，该软件就是可以自动往你的changelist中添加改动的代码。非常实用。-Software development when the need to write ChangeList, in order to maintain the change file directory structure, so a relatively cumbersome manual, the software that can automatically go to your add changelist change the code. Very useful.

SMART PHONE 2005中关于给电话簿添加相应联系人图片的使用例子源码，可以使用此代码，给相应的联系人添加大头贴等，需用VS2005BETA2进行编译。-SMART PHONE 2005 on the addition to the corresponding directory of contacts Photo source usage example, can use this code to the appropriate contacts to add still photos, required VS2005BETA2 computer.

基于肤色识别的人脸检测系统，能有效识别人脸。-Face recognition based on skin color detection system can effectively identify the human face.

ofdm在高斯信道下最基本的系统，期间加入了导频和信道的均衡，使得得到的误码性能变好。

职工管理系统，实现了查询，界面设计，数据库的连接！-Staff management system, the realization of the query, interface design, database connectivity!

一个有关ADO数据库访问的代码-one of the ADO database access code

该文件用于串口通信编程 功能完全-This file focuses on the programme of serial port, it has perfect function.

This tutorial to make dll in windows operating systems-This is tutorial to make dll in windows operating systems

sends SMS information to another mobile phone

简单的五子棋代码。可能很多地方不足，，，请见谅-Gobang simple code. May be inadequate in many places,,, please forgive me