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说明：  c#用于winform界面识别二维码与生成二维码(C # identification of QR code and generation of QR code)

将中缀表达式转换为后缀表达式，并计算任意四则运算表达式的结果，采用链表和队列实现，非文法和状态机-Infix expression would be converted to suffix expressions, and calculate the arithmetic expression of arbitrary results, the use of linked lists and queues to achieve, non-grammar and the state machine

这个模型可以实现单相接地，两相短路，三相短路等电力系统故障波形分析(This model can achieve single-phase grounding, two-phase short circuit, three-phase short circuit and other power system fault waveform analysis)

用matlab中simulink仿真，模拟对一级倒立摆实现PID，极点配置和LQR控制(Using MATLAB Simulink simulation, the PID, pole assignment and LQR control for the inverted pendulum are simulated.)

利用matlab学习copula理论与应用实例(Using MATLAB to learn copula theory and application examples)

列表框运行输入，可以在运行时输入数值，并且在可以自动在前面添加项(The list box runs the input, which can enter numeric values at run time, and automatically add items in front.)

贪吃蛇小游戏，很好玩的，用c语言编写的，请多指教 -huge memory small game is a lot of fun, with the c language, please enlighten

VB自动删除卸载指定程序，360安全卫士 解除安装，是对准了注册表中的键值：地址 = w.regread("HKLMSoftwareMicrosoftWindowsCurrentVersionRun360Safetray")进行的操作，删除360只是举例来说，你完全可以定义删除其它的程序。

最新版pn532解密工具。实用好用。解密快(The latest version of pn532 decryption tool. Practical and easy to use. Fast decryption)

说明：  61850 mms协议客户端测试工具，模拟报文数据，测试设备是否配置成功(61850 Client Testing Tool)