设计一个应用程序，能够绘制任意次数（不超过6次）的一员函数图像。其中次数和各项系数由用户动态指定，程序能够根据用户指定的各项系数来绘制函数图像。-Designing an application, be able to draw any number of times (no more than 6 times) of a function of the image. Where the frequency and the coefficient of dynamic specified by the user, the program can function to draw an image based on the user-specified factor.