一些原来的代码，对于学习和提高很有帮助的帮助

Powerbuilder8.0实用程序设计100例之1-10-Powerbuilder8.0 Utility Design 100 Cases of 1-10

根据用户输入的中缀表达式，将其转化为后缀表达式并求值。-Based on user input infix expression into a suffix of its expression and evaluated.

大学生论文关于OPNET的研究资料，可供参考-something about OPNET

数字波形发生器 labview程序-Digital Waveform Generator

一个小游戏,简单实用,希望大家可以喜欢.-A small game, simple and practical, I hope that we can love.

php 分页功能，有5种非常漂亮的样式，让你的分页列表为所欲为随便选择-php page

ＭＳＮ消息加密软件，完整汉化版．安全通道下随意畅谈，而不必担心第三方破取．-MSN news encryption software, a complete Chinese Version. Safe passage 93 to discuss, without worrying about breaking from third parties.

采用生死单元技术模拟焊接动态过程的ansys源程序-With life and death cell technology, dynamic process simulation of welding source of ansys

此软件为单片机延时初值的计算小程序，给单片机开发者一个便捷！-This software calculate the initial value for the SCM applet delay, giving developers a convenient SCM!

这是一部制作精良的中国象棋小游戏,画面清新，操作简单是它的优势，电脑的难度不是很高，所以初学者也可以试试啦~ -This is a well-made Chinese chess game, the screen clean, simple operation is its advantage, the computer is not very high degree of difficulty, so beginners can also try啦~