功能强大的计算器，采用仿C语言表达式语法 并且给出表达式的逆波兰表达式，支持二十余种函数运算，程序经测试成功-powerful calculator, using fake C language syntax expression and expression is the inverse Poland expression, I support 20 species of Operational functions, procedures have been tested successful

DOS下的科学计算器，主要是通过把表达式转换为逆波兰式，再利用堆栈递归求解；-Under DOS scientific calculator, mainly through the expression is converted to Reverse Polish-style, and then use recursion to solve the stack

用逆波兰表达式实现计算器功能的数学头文件及源文件.支持四则运算,括号,负号,三角函数,求余,求幂和阶乘.但未处理大数,所以数值大小有限.-Math header file and source file with Reverse Polish expression calculator function. Supports four operations, brackets, negative numbers, trigonometric functions, modulo exponentia

基于逆波兰法的计算器程序，该计算器支持小数输入和正负数输入，支持四则运算以及指数运算，也支持括号的使用。-Reverse Polish law based calculator program, the calculator supports input and negative decimal number input, support four operations and index calculation, and also supports the use of parentheses