AddCAD

能够对通达信.lc5文件进行修改，主要是修改分钟数，这样可以在两年多的数据中进行画线处理(Mastery letter. Lc5 file to be modified, modify the number of minutes, so you can draw lines in more than two years of data)

本程序可以在MFC中打开并显示一张图片，代码比较简单基础(Open and display a picture in MFC)

用四阶龙格-库塔法求系统在U单位阶跃输入下该系统的响应曲线(Using the four order Runge Kutta method to find the response curve )

C/c++趣味程序百例(献给C/C++初学者) 1.绘制余弦曲线 2.绘制余弦曲线和直线 3.绘制圆 4.歌星大奖赛 5.求最大数 6.高次方数的尾数 7.阶乘尾数零的个数 8.借书方案知多少 9.杨辉三角形 10.数制转换 11.打鱼还是晒网 12.抓交通肇事犯 13.该存多少钱 14.怎样存钱利最大 (The C/c++ interesting program one hundred cases (dedicated C/C++, beginners) 1. Draw the cosine curve. Draw cosine curves and straight lines to high power mantissa draw a circle 4 star Grand Prix. Seeking maximum number of 6. 7 factorial ending number of zeros 8 Know Your library program. Triangle 10 number system conversion 11. fishing or drying nets 12. caught guilty of traffic accident 13. the how much money 14 How to save money Lee maximum)

说明：  通过使用dxflib库，对dxf文件进行读取(Read DXF files by using the dxflib Library)

graphic game developing source code

杜晓增计算机图形学基础Bresenham法画圆源程序(Du Xiaozeng computer graphics based Bresenham law circle source program)

MFC 画出简单的坐标 并通过按钮产生随机点坐标（横坐标逐渐增大纵坐标随机）存入文件中 另一按钮实现读出数据并将点连成折线(MFC drawing simple coordinate and through the button generates random point coordinates (abscissa increases ordinate random) into a file and another button to achieve read data points connected into line)

基于频散曲线，选择抽样脉冲信号作为子波，推导出了合成单炮面波地震记录的理 论公式，并利用该公式，针对不同弹性层状介质模型的频散曲线合成了面波地震记录。(Based on the dispersion curve, select the sampling pulse signal wavelet derived synthetic single artillery surface wave seismogram theoretical formulas, and the use of the formula, seismogram synthesis of surface wave dispersion curves for different elastic layered media model.)

三角形判断问题。可用于黑盒测试用例设计。(Triangle judgment. Can be used for black-box test case design.)