是基于前面上传的control控制程序作的上位机图形界面，包含PCI板卡和scI串口等通讯处理程序，可用于相关项目开发！-The control control program based on the previously uploaded for the graphical interface of the host computer, and includes PCI board and scI of serial communications handler, can be used f

一个精确计算pai值的算法,可以精确到小数点后面4000位,而VC++代码只有4行-A precise calculation of pai value algorithm, which can be accurate to decimal point 4000, only four lines and vc++ code