采用VS 2010写的一个简单的基于MFC的交互计算界面。几个输入几个输出，计算公式部分 以注释的方式标注-Using VS 2010 to write a simple MFC-based interactive computing interface. Several input several output, calculated part of the formula to the annotated annotation

界面控件应用，含文本框输入等常用控件，计算输出公式运算结果(Interface control applications, including text box input and other common controls, calculated output publicity results)