高精度数的加减乘法，可以自定义进制，作为类实现，直接使用即可。...

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通用的条码打印程序-common barcode printing program

可以用4*4矩阵键盘调整的数字钟，通过动态扫描显示在四位数码管上。-Can use 4* 4 matrix keyboard adjust the digital clock, through the dynamic scan is displayed in the four digital tube.

考勤系统.运行本系统时，登录界面要求输入系统的用户名和密码，此系统提供了两种类型的用户，一种是超级用户，具有执行所有功能的权限，另一种是签到用户，只具有签到功能，因此，这里提供了两个默认的用户名和密码，一个是超级用户，用户名为000，密码为000，另外一个是签到用户，用户名为111，密码为111。-Time and Attendance system. Operation of the system, the login screen for the importation of the system user name and password, the system provides two types of users, one is the super-user, with the implementation of all functions of the authority, another is a sign-user, only sign function, so, here are two default user name and password, a super-user, the user name 000, password 000, the other one is the sign user, the user name 111, password is 111.

物资管理系统设计仅供参考-material management system design is for reference only

1．定义数据结构。 2．编写函数，实现插入排序算法。 3．编写函数，实现希尔排序或快速排序等效率较高的算法。-1. Defined data structure. 2. Write a function to achieve insertion sort algorithm. 3. Write a function to achieve Hill sort or quick sort, etc. more efficient algorithms.

西门子与计算机通讯程序包括源代码 程序说明 可以进行时时数据采集记录，并可以显示实时数据 曲线，数据报表功能还未增添，以后有机会会添上，有问题请email我。 通讯控件及控件使用手册 使用西门子prodave 控件 程序中使用了tchar控件 这是第二版-Siemens and computer communication procedures, including source code description of the procedures for data acquisition times can be recorded and can display real-time data curve, data reporting capabilities have not yet added to the future, will have the opportunity to add, have questions, please email me. Communication control and control the use of manual control procedures for the use of Siemens prodave used TCHAR control This is the second edition

用普里姆（Prim)算法求用邻接矩阵存储结构表示的图或网的最小生成树-With the prim algorithm is seeking to use adjacency matrix storage structure, said the plan or network, minimum spanning tree

此为编译原理实验报告 学习消除文法左递规算法，了解消除文法左递规在语法分析中的作用 内含 设计算法 目的 源码 等等.... 算法:消除左递归算法为: （1）把文法G的所有非终结符按任一种顺序排列成P1,P2,…Pn 按此顺序执行 （2）FOR i:=1 TO n DO BEGIN FOR j:=1 DO 把形如Pi→Pjγ的规则改写成 Pi→δ1γ δ2γ … δkγ。其中Pj→δ1 δ2 … δk是关于Pj的所有规则； 消除关于Pi规则的直接左递归性 END （3）化简由（2）所得的文法。即去除那些从开始符号出发永远无法到达的非终结符的 产生规则。-to compile this report principle experiment to eliminate learning grammar rules Left delivery algorithm, left the Elimination delivery grammar rules in grammar analysis of the role of the design algorithm containing purpose algorithm source code .... etc. : Elimination left recursive algorithm : (1) grammar, of all non-G website by the end of a paramagnetic Arrange sequence P1, P2, ... Pn implementation of this order (2) FOR i : n = 1 DO TO BEGIN FOR j : = 1 DO put the shape of Pi Gamma approximate rewrite the rules 1 into Pi Gamma Gamma 2 k .... These ions 1 2 ... k ions on all the rules; Pi elimination of the direct rule left recursive END (3) Reduction from (2) from the grammar. Removing that those symbols s

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