逆波兰式的求解,输入表达式,然后转化成逆波兰式,当输入字母的值,可求出表达式的值.-inverse Polish Solution, the importation of expression, and then into reverse Polish, when the value of imported alphabet, can be derived the value of the expression.

用MFC实现的计算器，采用逆波兰算法，可以实现多种运算-Using MFC to achieve calculator, using RPN algorithm, we can achieve a variety of computing

Java写的泥波兰式A栈中存放的是逆波兰式结果,B栈中存放的是操作符B栈初始状态为()