实现了动态创建多个按钮的功能，主要是对控件的一些编程，也可以由此启发动态创建多个Image，体会方法-The realization of the dynamic function of creating multiple buttons, mainly for control of some programming, which can also be inspired to create multiple Dynamic Image, experience method

实现计算功能，受Windows系统自带的计算器启发，采用纯C语言进行编写-Achieve computing, built by the Windows system calculator inspired, written in pure C language