汉字点阵显示

设计的计算器应用程序可以完成加法、减法、乘法、除法和开方，次幂运算。且有小数点、正负号、清空、清除以及一定的错误处理等功能。用鼠标单击相应的数字键和运算符号键，然后单击“=”号按钮，窗口上方的文本框将会显示计算出来的结果，要将文本编辑框清空，可单击清空按钮。(Calculator application designed to be completed addition, subtraction, multiplication, division and square root, sub-power computing. And a decimal point, sign, clear, clear, and some error handling functions. Right click the appropriate number keys and operator symbols key, and then click the " =" number button, the window above the text box will be displayed calculated results to a text edit box empty, click the Clear button.)

说明：  一个Excel表的QT实现源码,实现载入和保存文件，以及如何向QTableWidget中添加对电子制表软件公式的支持等功能.(the QT source of a excel sheet )

用0tsu方法和梯度算法分别对图像进行边缘提取 (Using methods and gradient algorithm 0tsu respectively image edge extraction)

本程序通过用户输入范围而求出范围内所有的质数 (The scope of this program through the user input to derive all the prime numbers within the range)

多功能时刻钟，整点报时，还有闹钟的功能，还有些功能没有完善。(Multi-time clock, the whole point of time, as well as alarm clock function, and some feature is not perfect.)

ip从char[]转为int，ip地址转换( transform ip from char[] to int)

利用PSO粒子群搜索算法,辨识PID参数:Kp,Ki,Kd.结果表明虽然该方法辨识精度不是很高,但是也有一定可信度.(Use english PSO Particle Swarm algorithm, identification of PID parameters: Kp, Ki, Kd. The results show that although the method is not very high recognition accuracy, but it also has a certain credibility.)

pb开发的计算器，已经经过调试，可以满足基本的计算器要求，有需要的可以下载( pb development of the calculator, after debugging, to meet the basic requirements of the calculator, there is a need to download)

随机共振用于微弱信号的检测以及误码率的分析(Stochastic Resonance)

关键字排名查询工具,根据输入的关键字和网址，查询是在各大搜索中的排名。(Keyword Position Query Tool)