线性代数基本实现，各种基础的线性代数计算接口（加减乘除、求逆、求秩、最大线性无关组）以及矩阵的特征值特征向量的计算（QR方法）。含有设计文档。-The basic realization of linear algebra, and linear algebra calculation based interface (addition and subtraction multiplication and division, inverse, and rank, the largest grou

用visual basic 做的一个计算器，除了基本的加减乘除外，可以实现二进制转十进制，二进制转八进制，二进制转十六进制等-Visual basic to do with a calculator, in addition to basic addition and subtraction, multiplication, except the binary can turn decimal, binary to octal, binary to hex, etc.

应用Visual C++ 开发环境设计了实现了分数的加减乘除基本运算的程序。-The program designed in Visual C++ has achieved the basic operations of fraction , such as addition, subtraction, multiplication,division.