关于51单片机与4442芯片卡的复位、读取、校验、编写与打印机功能性衔接（插卡通断电，读卡，减数，打印N张掉电）

cy3014 usb3.0芯片的一个固件程序，在一个ad高速接口板上实际使用没有问题(cy3014 usb3.0 firmware )

说明：  计算机二级中C语言部分的上级编程题目及答案(Computer level 2 C programming)

使用 PI Expert 设计的20V 5A LED驱动电源。(PI Expert design using 20V 5A LED driver power supply.)

在线网上书店的页面及数据库连接设计，功能较全，实现购物车及订购设置，有文档描述-Online online bookstore page and database connectivity design, function over the whole to realize shopping cart and order settings, there is a document describing

我的源码质量很好，欢迎大家踊跃下载。谢谢！我的邮箱是 ：lcy332211@sohu.com-My source of good quality are welcome to download the U.S. enthusiastically. Thanks! My mail is: lcy332211@sohu.com

有一种按键，看起来是一幅完整的图片，当鼠标移到按键区域时，图片的一部分凸现，形成一个按键，当鼠标移走时又恢复原来状态。(There is a button looks like a complete picture when the mouse is moved to the key areas, the picture is part of the highlights, the formation of a button when the mouse is moved Shiyou restore the original state.)

利用VC和Matlab混合编程,Release文件夹下可直接运行，绘出2D和3D图形。并且可以在VC 6.0环境下调试，注意文件夹中的readme文档说明。(Using VC and Matlab to program, Release folder can be run directly, draw 2D and 3D graphics. And it can debugging in VC 6.0 environment, pay attention to the folder readme documentation.)

研究生期间上《数值计算方法》课的作业,所有代码都是C语言实现并调试通过,现在上传为大家服务,这是消元法的算法(The homework in the course of "numerical calculation method" during graduate school, all the codes are realized and debugged in C language, now upload to serve for everybody, this is the algorithm of elimination method.)

solving job shop scheduling problem with setup times by Tabu Search Algorithm

1、根据所给的中国版图数据 绘制显示基于北京54坐标系的经纬度数据 编写兰勃特投影转换程序，转换上述数据，并显示 编写墨卡托投影转换程序，转换上述数据，并显示 同时，要绘制相对应的经纬网格，网格间距5度 2、根据所给的世界版图数据 绘制显示基于WGS84坐标系的经纬度数据 编写墨卡托投影转换程序，转换上述数据，并显示 计算北京(116.4，39.8)到巴黎(2.2, 48.52)的大圆轨迹，并显示 同时，要绘制相对应的经纬网格，网格间距5度(1, according to the Chinese territory given display data drawn based on latitude and longitude data write Beijing 54 coordinate system Lambert projection conversion process, the conversion of the data, and displays the write Mercator projection conversion process, the conversion of the data, and display the same time, Draw the corresponding latitude and longitude grid, the grid spacing of 5 degrees 2, according to the world map rendering display data written to the Mercator projection based on latitude and longitude data conversion program WGS84 coordinate system, the conversion of the data, and displays the calculation Beijing (116.4, 39.8) to Paris (2.2, 48.52) the great circle track and display the same time, to draw the corresponding latitude and longitude grid, the grid spacing of 5 degrees)