串行输入的CRC CCITT

可以用此代码播放自己想听的WAV和MIDI声音文件以及系统声音文件。软件虽小但用处很大-can use this code to listen to the players themselves WAV and MIDI sound files and the system sound files. Software is a small but very useful

txt格式转换成PDF格式。直接在TXT编辑文档，然后用这个工具转换成PDF格式，进行浏览阅读，是个很不错的小工具。-txt format into PDF format. TXT files directly in the editor, and then use this tool to convert PDF format, to view reading, is a very good gadget.

检测一个有向图是否含有回路，并进行拓扑排序-Detection of a directed graph if it contains the loop and carry out topological sort

获得文件信息的源码，初学者可以研究一下，比较系统的东西-document access information source, beginners can look at things more systematically

直接解码即可，程序内有比较完整的注释和说明。程序完成的功能是对一个文件进行md5编码，结果存在一个新建的.txt文件里。-can directly decode, procedures are in the integrity of the Notes and annotations. Completion of the functions of a document md5 coding, a new existence. Txt file.

压缩包中有六个小程序，分别对Word做出了不同的操作，如打开、关闭、新建、向Word输入内容、读取Word中的内容（文本）

制作CAB压缩文件,只需将smaller.exe复制到要压缩的文件夹中,运行即可在它的上一级文件夹中产生file.cab-Production CAB compressed file, simply copy the smaller.exe to compressed folder, you can run it on a folder have file.cab

对execel单元格的读写ReadCell，AddCell的应用-To read and write execel cell ReadCell, AddCell Application

一个专门用来处理打开文件时发生错误的函数。提示：文件打开过多。-one devoted to open the file when an error in the function. Tip : too many open documents.

能够操作excel, 代码短小清晰, 作用学习操作excel 的学习实例.-Can handle excel, the code short and clear, the role of learning how to operate the learning instances of excel.