cavl

LED 圣诞树，圣诞节的礼物~多种颜色的LED灯装扮成闪闪发光的圣诞树(LED Christmas trees, Christmas gift- the colors of the LED lights to dress up as a shining Christmas tree)

To achieve similar WORD2000 clip art menu code

说明：  一个c语言实现的简单的语法分析器，包括词法分析和语法分析两部分。(Lexical Analysis Parser)

数据保存到EXCEL文件 给出了实例文件可以参考(EXCEL data files saved to the file is given instance can refer to)

基于逆波兰法的计算器程序，该计算器支持小数输入和正负数输入，支持四则运算以及指数运算，也支持括号的使用。(Reverse Polish law based calculator program, the calculator supports input and negative decimal number input, support four operations and index calculation, and also supports the use of parentheses.)

基于MFC编写的通信录程序，提供登录身份确认，新增、修改、删除信息，基于用户选择隐藏部分信息，尚未实现存储功能，适合学习MFC组件的朋友使用(MFC-based contractor program, provide the login identification, add, modify, delete information based on user choose to hide some information， not yet implemented storage, suitable for learning to use MFC components)

模拟键盘输入，对VC++的响应机制可以有更加全面的认识，对指令的熟悉又帮助。(Simulated keyboard input, on the response mechanism of VC++ can have a more comprehensive understanding of familiar instructions to help.)

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.)

说明：  GBK，unicode utf-8 编码转换工具(Encode Convert Tool between GBK,unicode utf-8,url)

给定一组物品，每种物品都有自己的重量和价格，在限定的总重量内，我们如何选择，才能使得物品的总价格最高(Given a set of items, each item has its own weight and price, within a limited total weight, what we choose to make the total price of the highest items)