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自宣言型记时器，可以自定义记时方式，标题，时间长度等。(Since the Declaration type chronograph, you can customize chronograph, title, time, length and so on.)

MFC编写的RS232 Demo,可供新手借鉴，VS可直接运行。(MFC RS232 Demo)

说明：  由于vc系统随机函数产生的数均匀分布,有时要用到正态分布和分布,这是两个小函数,让你们见笑了(vc system because of the random number function evenly distributed, and sometimes we had to use normal distribution and distribution, which is two small functions so that you laughed at the)

VB与EXCEL的交互连接，VB对EXCEL的写入，VB读出EXCEL的数值(VB and EXCEL interconnect)

矩阵相关运算，例如求逆转置运算等 等功能(Matrix-related operations, such as seeking reversal of home computing and so on)

一个外国人写的 VB6 子类和定时器，提供源代码。

让你随时想安全地挂机就挂机，加上锁安全。(Hook lock)

Calculator using switch

这是用VB写的数控G代码读取，编译，并显示。给做数控系统的朋友做参考。(It is written in VB CNC G-code read, compile, and displayed. CNC system to make a friend for reference.)

谭浩强C程序设计第四版第8章习题答案,自己做出来的( C Programming Fourth Edition Chapter 8 Exercise answers, do it yourself)