一个关于滤波器设计的小程序

一款很不错的函数作图工具，可以依照不同需求做出函数图象．特别适用于数学建模作图需要-A very good function mapping tools, they can make different demands function images. Particularly applicable to the mathematical modeling mapping needs

抽奖用代码，是几年前的作品-draw with code, a few years ago the works

想象一下，一个世界里，你可以尝试切换现有的PC BIOS到UEFI定制的，而不必担心复苏的情况下UEFI引导失败

这是一个用labview开发的基于声卡的频谱分析软件-This is a development with LabVIEW-based sound card spectrum analysis software

PostgreSQL 是一种对象-关系型数据库管理系统(ORDBMS),也是目前功能最强大、特性最丰富和最复杂的自由软件数据库系统.它起源于伯克利(BSD)的数据库研究计划,目前是最重要的开源数据库产品开发项目之一-PostgreSQL is an object- relational database management system (ORDBMS), is currently the most powerful characteristics of the most abundant and most complex of the free software database system. It originated in Berkeley (BSD) database of research projects, is currently the most important open-source database product development projects

php实现飞信功能，转载自http://www.zendstudio.net/archives/php-fetion-class-source-download/-php function to achieve Fetion, reproduced from http://www.zendstudio.net/archives/php-fetion-class-source-download/

一个有趣的拼图游戏-an interesting pieces of the jigsaw

程序运行时间的类(c++),经过编译了，可以直接使用-the category (c), after the compiler can be used directly!

数 值 算 法,三 次 自 然 样跳-numerical algorithm, three natural kind jump