CC-Link_cabling_gu

解二次方程，输入系数a，b，c,输出两个解、一个解、和无解这三种情况时的结果(Solving the quadratic equation, three cases)

说明：  VC6对sqlserver数据库的添加删除查询等相关操作，代码全部在VC编译环境下运行通过。(VC6 adds and deletes queries to SQLSERVER database and other related operations. All the code runs through the VC compiler environment.)

说明：  windowAPI调用函数读取数据 RS 232 串口通信(windowAPI Serial Communication)

还是一个C++的新闻采集系统，自己看看吧，我也没研究。(Or a C++ Of news gathering system, could see for himself, and I did not study.)

学习C语言数组章节时，通过实验加深理解，通过处理不同的问题，来理解数组的用法。(When learning the chapters of Array in C language, we can deepen our understanding through experiments, and understand the usage of Array by dealing with different problems.)

说明：  Consider an organization with three roles: A, B and C. Whenever B has to issue some instruction to A, B has to take permission via C and then only it will be obeyed by A. This permission is issued with the help of a digital signature. A verifies the credibility of the message using C s public key (and digital signature), like any other digital signature scheme.

在MT4软件获取字符串中数字的脚本，比较实用的小功能(Get the MT4 software script string figures, more practical small function)

vc++6.0开发的，可通过此动态链接库向串口发送命令、信息。可用于串口程序的开发，非常有用。(vc 6.0 development, through this dynamic link library sent to the serial order information. Serial procedures can be used for the development, very useful.)

文件夹操作封装类，可方便使用。。。。。。。。(Folder operation wrapper class, you can easily use)

列举系统中已经注册的文档类型及其关联程序的类(List has been registered in the system document type and its associated application class)