利用工厂设计模式这几计算器

MailReceiver（E-mail接收）-MailReceiver (E-mail Acquisition)

视图中写入文字效果。效果正中间，基于单文档视图结构。适用于初学者-View, to write text effect. Effect is the middle of the structure based on single document view. Apply to beginners

将数据库数据传给Excel-database data transmission Excel

SPCE061A单片机键盘驱动源程序,键盘位置计算。-the driver source of the keyboard of the SPCE061

C语言实现的校园导游图,有景点的介召,最短路径的查找,还有动画等-C language map of the campus tour guides, attractions mediated response, the search for the shortest path, animation, etc.

VB的好用的日历例子-VB example of the useful calendar

VCSHARP.rar ok

&效率

用C写的表达式计算器，不但可以完成四则运算，还可以处理一些函数运算，可以配合graphviz画出表达式树和计算过程。-Written using C expression calculator, not only can complete the four operations, but also can deal with a number of functions computing, you can tie in with graphviz to draw the expression tree and calculation process.

标准C++程序设计 电子教案 内容比较详细-Standard C++ programming in more detail the contents of e-lesson plans