迷你计算器：该程序以一般的计算器为基础，实现了人们最常用的几个基本功能。它包括“加、减、乘、除、求余、求幂、求面积、阶乘等功能。”-Mini Calculator: The calculator program in general, based on the most common people to achieve several basic features. It includes " add, subtract, multiply, divide, and more, for