Compute the tan of a FPU_REG, using a polynomial approximation. -Compute the tan of a FPU_REG, using a polynomial approximation.

Compute the tan of a FPU_REG, using a polynomial approximation.

这是我大一的时候在Linux上开发的一个简易的计算器，支持加减乘除，乘方，sin、cos、tan和log计算，支持复杂的表达式运算。对于刚刚学习编程不久的同学来说还是可以的。-Simple Calculator supports common calculation which was developed in Linux.