罗勒 具有简单终端界面的RPN计算器 命令: Pop off the stack: "pop", "p", "." Swap: "swap", "s", "," Push memory value to stack: "recall", "r", "]" Set memory value: "store", "S", "[" Clear the stack: "clear", "c", ";" Switch between degrees and radians: "angle", "a", "<" + - * / % ^ square cube sqrt log ln logx root flip sin cos tan asin acos atan 按键绑定: ESC: Exit