QXAPRK

sin()函数 给定一个弧度值或者任意数值，可以计算相应的sin值即正弦值(sin () function is given a value, or any value in radians, we can calculate the corresponding value of the sine value sin)

计算器，可进行四则运算，并且有符号位，退格，以及小数点。(Calculator, can be carried out in four operations, and the sign bit, backspace, and decimal point.)

说明：  停车场位管理系统程序，管理场位，便于汽车的停放(Parking spaces management system procedures, management, market position, easy to park the car)

VC调用java的简单例子。需要注意jvm.dll路径，路径不对就不能成功！(VC called a simple example. Attention jvm.dll path, the road would not be wrong!)

一个兼具有excel一样的多文档功能，同时具有word的文档编辑和格式编辑功能(One and the same with excel multiple document features, but also has word document editing and formatting editing functions)

VC环境下创建VPN连接的RASENTRY结构体参数设置(VC environment to create VPN connections RASENTRY structure parameter)

用于启动界面的制作，以及对于词法的分析，很实用的东西(Interface used to start production, as well as for lexical analysis, a very practical things)

VB与EXCEL的交互连接，VB对EXCEL的写入，VB读出EXCEL的数值(VB and EXCEL interconnect)

孙鑫VC++视频教学所有源代码 无需密码 直接使用(Xin Sun VC++ source code for all the video instruction)

C语言实现带通滤波器，可以直接运行。在信号处理过程中非常有用(C language implementation bandpass filter, which can be run directly.In the process of signal processing is very useful)