“袖珍计算器设计”。计算加、减、乘、除、乘方、开方。在用户界面上设置两个编辑框，分别用于输入左操作数和右操作数，两个静态文本分别用于显示“=”号和运算结果，其中用六个单选按钮用于选择运算符。-"Pocket calculator design." Calculation of addition, subtraction, multiplication, division, involution, evolution. In the user interface to set up two edi