keyboard

这是自己编写的一个简易计算器，用于加减乘除计算，还有百分比和平方。(I have written a simple calculator for arithmetic calculations, as well as percentages and square.)

这是C++Primer的书籍的源代码，包括课后习题的答案，是份很不错的代码，尤其针对初学者(This is the source code of C++Primer books, including after-school exercises, answers, were very good code, especially for beginners)

让你随时想安全地挂机就挂机，加上锁安全。(Hook lock)

复数类的运用输入、输出、加、减、乘、除、模长、幅角、共轭、关系(The use of complex type input, output, add, subtract, multiply, divide, die a long, pieces of angle, conjugate, relationship)

非常经典的C++程序，十分实用对于练习程序来说。(good programme)

VB将数据库导出到TXT文本文件中,有需要的就下载吧。(VB database export to TXT text file, there is a need to download it.)

dll动态链接库的另一个简单的用法 希望对初学者有用(Another simple dll dynamic link library usage is useful for beginners)

这是一个Visual Basic 源代码程序，它通过变更用户权限的方法，让某一个应用程序在相对安全的状态下运行，从而提高系统的安全性。(This is a Visual Basic source code program, change user permissions, so that an application running in the relative safety of the state, to improve the security of the system.)

说明：  使用vc++6.0开发的一个小例子，保护视力程序，界面简单，主要是实现将应用放到系统托盘中。(Use vc++ 6.0 to develop a small example of procedures to protect their eyesight, the interface simple, the main factor will be applied to achieve on the system tray.)

通讯录中的每一个信息包括姓名（规定字节数为15个）、电话（规定字节数为15个）和工作单位（最大字节数为30个）等信息。(Each information including the name of the mail list ( specified byte number 15 ), phone ( specified byte number 15 ) and work units ( the maximum number of bytes to 30 ) and other information.)