计算刀轴点坐标

说明：  vscode2019快捷键说明文档大全英文版，非常好用(Vscode2019 shortcut key description document in English, very easy to use)

坐标转换 将大地坐标值转换为平面坐标系 由经纬度转换至大地坐标(Coordinate transformation to convert the earth plane coordinates by latitude and longitude coordinates to Geodetic Coordinate Conversion)

基于HC138和HC595驱动数码管，仿真加C语言程序(Based on HC138 and HC595 driven digital control, simulation plus C language program)

Easy to learn Visual Basic 6.0

RTD2270 源程序,RTD2270V10_NEWCODE_Public_0110822_NEW(RTD2270 源程序RTD2270V10_NEWCODE_Public_0110822_NEW)

数值分析分析中 用jacobi迭代求解线性方程(Analysis of numerical analysis using jacobi iteration for solving linear equations)

scientific calculator in VC++

c++ 链接access 建立的一个小型人员统计系统管理 代码简单(c++ link access to the set of a small staff Biejiao simple statistical system management code)

一个使用VC开发的示波器软件,显示界面较友好(VC developed using an oscilloscope software, show a more friendly interface)

Change the background color of the tree control VC source code