此程序可以进行简单的数值运算，但还有些不甚完善，还望指教-This procedure can be a simple numerical computation, but some are not very perfect, but also look Zhijiao

数据结构：一元多项式的表示，实现一元多项式加法、减法、乘法、除法等运算-Data structure: representation and computation of a meta polynomial