ssd7 Exercise 1 answer, well, I hope to give us some help

实现了简单科学计算器的功能，可以使运用计算器简单功能的人受到很大方便。-achieve a simple scientific calculator function, we can make use of a simple calculator functions of the great convenience.

基于51单片机设计的PS2键盘，是作为从机，通过PS2接口连接到电脑，程序包括开机自检，发送键值和矩阵扫描。经测试完全可用注意要在开机之前把键盘接上电脑接口，让电脑BIOS自检的时候对键盘进行设置，才能成功读取键盘的内容。

Microsoft Visual C++ 5.0 vc++ 5.0 vc5.0 安装盘-Microsoft Visual C++ 5.0 vc++ 5.0 vc5.0 installation disks

ns2 zigbee implementation tcl code.

Fifteen Square Game in C++ code

C程序常用公共符号定义头文件-C procedures commonly used definition of the first public sign documents

教室信息管理系统（一套教室信息管理查询录入系统）-Classroom information management system

在多媒体软件中，如果让相关图片按顺序循环滚动（例如循环展示商品图片），多媒体程序一定会增色不少，运行此程序，在窗体中将从左到右连续播放不同的图片，呈现了一种电影胶片的效果，并且每张胶片中的图片都izai不断的动态变换。-In the multimedia software, if the picture in order to allow the relevant circle rolling (for example, display of goods circulation picture), multimedia program will be enriched a lot to run this procedure will be from left to right in the form playback different picture, showing the the effect of a film, and each film in the picture are izai constant dynamic change.

Linux 上的socket嗅探器，请大家批正-A socket sniffer running on Linux，please give me some advice.

在机械开发时,用于查表的,这样快捷方便,这里大都是常用的集中在一起-in mechanical development, for the look-up table, so fast, here are mostly commonly used together