用c++实现的一个计算器的小程序，用到的数据结构是栈。是川大数据结构的实验，可以实现优先级的运算包括括号.-With c++ achieve a small calculator program stack data structure is used. This is a data structure Sichuan experiments can achieve priority operations include brackets, etc.

c++实现的优先级计算器，进行加减乘除，和括号功能，利用栈进行实现-c++ achieve priority calculator, perform addition, subtraction, and brackets function to achieve the use of stack