简单的计算器,暂时不支持复杂的函数如,三角函数等-A simple calculator, temporary does not support the complex functions such as trigonometric functions, etc.

用C++实现小型计算器的功能，包括四则运算，三角函数，对数函数，幂函数的运算(Using C++ to achieve the function of small calculators, including four operations, trigonometric function, logarithmic function, power function calculation)

实现四则运算和三角函数运算功能的自制简易计算器(Implementation of four operations and trigonometric functions)