先在记事本里编写代码，并设计好其窗口和组件，经编译成功后，桌面上显示方程求根对话框，输入数据，并显示其结果。-First, writing code in Notepad, and to design good their windows and components, through the compilation after the success of the desktop display equation Roots dialog box, enter data, and displays the results.