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伽辽金有限元解微分方程源代码，带注释，初学者学习使用非常好(Galerkin finit element method )

用C++写的矩阵鞍点求法(C wrote saddle point Matrix Method)

PB开发的计算器程序，适合初学者，比较简单，开发程序版本PB9.0(PB calculator program developed for beginners, is relatively simple, the development program version PB9.0)

由美国SANDIA实验室一名研究员编写的用于计算半导体量子纳米线的一系列matlab文件。(SANDIA laboratory by the American researcher prepared a semiconductor quantum nanowire used to calculate a series of matlab file.)

MFC做的计算器程序，可以实现加减乘除。平方，立方等功能(MFC to do calculator program can be achieved subtraction multiplication and division. Square, cubic and other functions)

用雅可比方法求矩阵的特征值和特征向量的FORTRAN程序(Method using Jacobian matrix of eigenvalues and eigenvectors of the FORTRAN program)

用C语言实现二重积分数值计算，精度较高；并且仿照程序中实现二重积分的思想，可以很容易扩展到三重以上的积分。(Using C language to achieve double integral numerical calculation, high accuracy and follow the procedures realize the idea of double integral, can be easily extended to more than triple the points.)

说明：  蒙特卡罗模拟算法模拟MR模型中有序无序相变(In this cpp, using a useful combined Monte Carlo algorithm, we simulate the MR model model to study the phase transition)

用Monte-Carlo方法解决二维Ising模型(Monte-Carlo method used to solve two-dimensional Ising model)

abaqus Umat 计算复合材料的损伤问题，可以学习一下(abaqus umat subroutine for damage of the composite material)