Calculator

VB将彩色图象黑白化典型示例代码,有需要的就下。(VB of the typical black and white color image sample code, there is a need on the next.)

VB qq空间留言工具，init模拟发送数据包，模拟腾讯MD5加密传输账号密码(VB the qq space Message tool, init simulated send packets analog Tencent MD5 encrypted transmission account password)

实现一个可编程表达式的计算器，并判断输入的表达式是否正确。(Expression of the realization of a programmable calculator, and determine the expression entered is correct.)

相控阵天线的方向图（切比雪夫加权），已经调试成功.内含m文件，可直接运行，滤波求和方式实现宽带波束形成。( Phased array antenna pattern (Chebyshev weights), Has been successful debugging. M contains files can be directly run, Filtering summation way broadband beamforming.)

to study for student

说明：  本程序是使用 TURBO C 语言BOSS窗口开发程序库的应用程序,(This program is the use of TURBO C language BOSS window development program library application,)

局域网聊天系统服务端，局域网聊天系统服务端，局域网聊天系统服务端(LAN server chat system, local area network server chat system, local area network server chat system)

有循环检测，周期性检测，微分方程组数值解方法，内含心电信号数据及运用MATLAB写的源代码。( There are cycle detection, periodic testing, Numerical solution of differential equations method, ECG data and includes source code written in MATLAB.)

一个简单的计算hurst指数的matlab程序(A simple calculation of Hurst index of matlab program)

USACO第10题，Marry乳业从一些奶农手中采购牛奶，并且每一位奶农为乳制品加工企业提供的价格是不同的。此外，就像每头奶牛每天只能挤出固定数量的奶，每位奶农每天能提供的牛奶数量是一定的。每天Marry乳业可以从奶农手中采购到小于或者等于奶农最大产量的整数数量的牛奶。 给出Marry乳业每天对牛奶的需求量，还有每位奶农提供的牛奶单价和产量。计算采购足够数量的牛奶所需的最小花费。 (Give the requirement of milk and the amount that they offer.)