creat

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)

旅行社问题，涉及到消费者，航班，旅店等的一些相关函数，作为微软的一些教学程序。(Travel Service, involving consumers, flights, hotels, etc. a number of related functions, as Microsoft' s some teaching programs.)

此程序为地震层析成像的正演算法，此算法用来解正问题。(This program is a forward algorithm for seismic tomography, which is used to solve the problem.)

说明：  这是一本ARM开发的很好的书籍，讲解的比较的详细，还有具体的时间步骤，可以做为入门的好书。(This is a good ARM book developed to explain the details of the comparison, there are specific time steps, can be used as entry in the book.)

说明：  书后练习作业，一个文件自动备份器，根据所设定的日期自动将备份路径所指文件备份至目标路径(Automatic File Backup Device)

留言板程序，在基础功能之上有所增加，比较实用-Message Board procedures, in the basic functionality has increased, more practical

Hasp Emulator utiltiy

实现了一个功能简单的HTTP代理服务器，本章主要介绍多线程编程相关的知识，包括初始化临界段和删除临界段，使用临界段完成多个线程对临界资源的互斥访问，创建工作线程，退出工作线程，定义和设定事件，利用事件完成多个线程的同步与协作等。-achieved a simple function of the HTTP proxy server, this chapter introduces multi-threaded programming related knowledge, including initialization of critical and delete critical of the use of the completion of a number of critical thread on the critical resources of the exclusive visit, work to create threads, threads from work, definitions and setting events using multiple threads completed the synchronization and collaboration.

这是一个专门的用于短信的发送软件，功能包括短信的采集和发送，以及查看功能-This is a special delivery for messaging software, messaging features include the collection and distribution, and functional View

Some environments require the b , some choke on it.Load the central directory. If that fails, then this probably isn t a Zip archive.