tdbuf

graph drower MFC with dynamic scaling y-axis

说明：  ch341读写24系列EEROM的VC源代码(The VC source code of CH341 read-write 24)

excel文件操作源代码，用OLE实现的(excel file manipulation source code, using OLE realize the)

C ++ under the garbage collector(C under the garbage collecto)

C++递归调用，4个整数用四则运算算24(C++ Recursive calls, with four integer arithmetic operator 24)

抑制载波型差分相位调制，借鉴了主成分分析算法（PCA），有CDF三角函数曲线/三维曲线图。( Suppressed carrier type differential phase modulation, It draws on principal component analysis algorithm (PCA), There CDF trigonometric curve/3D graphs.)

说明：  在EVC4.0环境下，设置串行通讯端口程序例(The EVC4.0 environment, set up procedures for cases of serial communication ports)

说明：  输入年份，判断是该年的那一天， 实现判断输入的正误！(Enter the year, is to determine the day of the year)

C++ 编写的string类库，并实现string的各项函数操作。(string function)

实现简单计算，用户可以进行拓展那功能能。。。。(Implementing Simple Computing)