雷达测距，OV7725拍照

算法分析ACM题目：石子合并算法 保证能运行！算法分析课程必备！(Algorithm analysis ACM title: stone merge algorithm to ensure that it can run! Algorithm Analysis course must be!)

说明：  用VC++编写，MFC文档框架，是一个简易的画图小程序，在文档界面上画图(With VC++ Prepared, MFC framework document is a simple drawing of small procedures, the document interface drawing)

大话西游地图提取工具，超好用，可以随便下载(jielkf,fueiofjkdlsaf )

说明：  应用于ArcGIS API的Web端紧急救援系统(Emergency rescue system on Web end applied in ArcGIS API.)

说明：  ESP32使用SPI协议点亮SSD1306 OLED屏的库函数(Esp32 uses SPI protocol to lighten the library function of ssd1306 OLED screen)

iphone开发计算器源代码，开发环境是Xcode 3.2.5 and ios sdk 4.2.(iphone Calculator demo,xcode 3.2.5 and ios sdk 4.2)

用数据库的方式操作excel文件，包括了读取文件的表名，字段名和数据，有详细的注释(Operate with the database excel documents, including a table read from the file name, field names and data have detailed notes)

Code sort the given int array in C.

在通訊系統中常見到的cordic，是個用很少複雜度就能實現三角函數的電路，檔案中有C語言的CORDIC程式(In the communication system common to cordic, is a little complex to use trigonometric functions will be able to realize the circuit, the file has C language program CORDIC)

sed为UNIX系统上提供将编译工作自动化的编译器。此为中文手册，对SED做了详细的叙述(sed for the UNIX systems to provide automation of the compilation of the compiler. This is a Chinese manual on a detailed description of SED)