this program calculate the determinant and inverse of matrix. also calculate the...

或许大家都设计过数据库,也为表定义过主键,今天我想阐述的是,应该如何正确的设计一个主键,在以往的一些资料中,都没有提及到主键设计的原则.我为此总结了一下: -you might have designed the database, as well as table-defined primary key, and today I would like to explain is that How should correct the design of a primary key, in the past some of the information. no mention of the primary key design principle. I summarize this for a moment :

曙光网络使用的投票调查系统 　 软件语言： 简体中文 软件类型： 国产软件 / 免费版 / 投票系统 运行环境： Win9x/NT/2000/XP/ 软件大小： 26KB 软件等级：-dawn of the network system software poll Language : English software types : Domestic software/free version/vote system operating environment : CTP/software Size : 26KB Software Rating :

一个简单的计算器-a simple calculator

扫雷 有初中高三个级别 而且做了一个数据文件 可以保存玩时的数据 下次玩可以从中断处开始 很方便-Mine has three levels of junior high, and made a data file can be saved to play the next play when the data can be easily interrupted at the beginning

手机益智游戏-贴方块，索爱S700版本（屏幕240*320），J2ME开发，160关，好玩-mobile puzzle games- posted cubes, Sony Ericsson S700 version (240* 320 screen), J2ME development, 160 customs and fun

电力系统潮流计算程序，可以计算简单的电力系统潮流-Power flow calculation program, you can calculate a simple power flow

经典小游戏源代码 用vc++实现的 欢迎使用-small game classic source code used to achieve vc welcome to use!

用java编写的JAVA固定资产管理系统，功能相对简单，希望对大家的学习有帮助-JAVA using java prepared fixed asset management system, a relatively simple function, in the hope that everyone has to learn to help

图书馆管理系统，该系统是用Visual Studio 2010实现的，该系统能够实现对图书的增删改查、图书的借阅、归还、以及借阅信息的查询、数据的保存、读取等基本功能，该系统适合于初学者的学习与借鉴。

Neural networks : an introduction / B. Muller, J.Reinhardt. 此书的配套软盘-Neural networks : an introduction/B. Muller, J. Reinhardt. The book matching floppy