这是一个小小计算器软件，非常适用和好用。

OPC-Client sdk for vb/vb.net/c#

地理信息系统MO开发的小程序，能满足地物区域查询-MO geographic information system developed by small procedures that would be able to satisfy regional features inquiries

进销存程序设计 -Invoicing procedures designed Invoicing program design

用c语言写的Fft，可以进行各种点的fft。-language used to write the Fft, various points of fft.

支持全流程的Perl+MySQL电子商务系统。完全公开代码。-support of the entire process of Perl MySQL e-commerce system. Fully open source.

运输管理系统，应用在交通/航空工业的运输上-Transportation management systems, applications in the transport/air transport industry

该系统为空车计量系统.完成对空车的自动计量.附串口处理程序.-the system to empty metering system. Completion of the empty automatic measurement. A serial processing.

河口海岸潮波模拟程序-estuarine and coastal tidal wave simulation program

在工程交通行业如测绘部门经常用到角度单位的转换，度分秒到度到弧度的转换，而且本代码可以实现批量的转换。-Industries such as traffic engineering departments often use the perspective of mapping units conversion, minutes and seconds to degrees conversion degrees to radians, and the bulk of the code conversion can be achieved.