坐标转换，适应与地理信息系统的各种坐标系统换算

VB API函数-VB API Function

只想下载 只想下载 只想下载 -Just want to download just want to download just want to download just want to download just want to download

this document is related to the orcad layout plus. this document is useful in understanding and starting the orcad pcb design tool layout plus.

这是一个c#语言编写的猜数字游戏，他能智能提示用户输入数的大小，类似幸运52一样-This is a digit guessing small game written in c#, smart reminder of user-input s digit, similiar with lucky 52

一个简单的计算器示例-a simple calculator example

verilog-wire a simple circuits

一个类似于心跳回忆的东西-a heartbeat similar to the memories of things. .

U盘控制芯片CH331,CH331 是一个小容量U 盘的控制芯片，只要外加一个串行存储器芯片，就可以实现2KB 到512KB 的小容量U 盘。-U disk controller IC CH331, CH331 is a small-capacity USB control chip, As long as plus a serial memory chips, we would achieve 2 KB to 512 KB of small U disk capacity.

带加权的寻路算法演示(DELPHI源码) 关于A*寻路算法的代码在网上有很多，但用DELPHI的比较少，本人花了一天时间找到这个，代码和界面都比较精炼，于是在关键处作了中文注释，但愿对朋友们有用。-with weighted routing algorithm Demo (DELPHI OSS) on the A* algorithm routing code on the Internet which is very , but with the DELPHI relatively small, I spent a whole day to find the time, code and interface are more refined, So the Department made a key Chinese translations, I hope that friends useful.

应用类 一个小小的倒计时程序，可以使用户在需要时提供方便快捷的操作：）-Application of a small category of the countdown procedure, allows the user when necessary to provide a convenient mode of operation:)