Modbus调试精灵

用来求两个实数之间的相乘，调用方法具体见程序(Be used to seek a multiplication between two real numbers)

俄罗斯方块双人版（对应图片位置自己下载图片）(Double version of Tetris)

win32编程中常用的API，对于学些WIN32编程非常有用(win32 programm API datasheet, it is very useful for developer of win32)

配电网中有分布式电源，当发生故障时，可对配电网进行孤岛划分，本程序可实现该功能，包括源程序和输入文件(Distribution network with distributed power, when a failure occurs, the distribution network can be divided island, the program can achieve this functionality, including source code and input files)

自动画缠论笔，经反复测试，画线非常精准，不知道有木有大神能把他改成EA(Auto-wrapping argumentation pen, after repeated testing, drawing line is very accurate, do not know that there is a wood God can change him into EA)

说明：  ETC中文对照，对于简单的方式，用这个即可(Chinese control, ETC for a simple way, use this)

another new src code

日出日落计算,可以根据经纬度计算 日出日落时间(Sunrise and sunset calculations)

一元二次方程及出错信息，在程序中输入一元二次方程，获得解析解(A quadratic equation and error information. Enter a quadratic equation in the program, access to analytic solution)

A book that explains tool Ms Flex Grid in visual Basic 6