使用VB.net编写的程序。与一般的解方程程序不同的是，此程序可以呈现标准的解题过程，还可以选择多种方法解方程，如配方法、十字相乘等。-This is a program written in VB.net.It can show the calculation process.And you can choose the method to calculate,like allocation ,cross multiplying,etc.

最小二乘法及方程曲线，简单易懂，使用方便，适合初学者使用-The method of least squares and the equation of the curve, easy to understand, easy to use, suitable for beginners to use

本程序主要讲解了双曲型方程的几种差分求解方法-Several hyperbolic equation method for solving differential