一个不仅可以进行常规运行(常规运算能一下计算一个多项式如:1.2*2-3*(3.5+6.7)...)还可以计算矩阵运算的计算机器-Not only can a routine operation (conventional calculation of computing can be a polynomial such as: 1.2* 2-3* (3.5+ 6.7 )...) also can calculate the matrix operations for Computing Mac