QT开发的简单计算器,基本可以实现加减乘除运算,不过有点小bug.-A simple calculator QT development, can achieve the basic operation of add, subtract, multiply and divide a little bug., but

基本功能描述24点游戏是一种常见的数学运算游戏-Basic function descr iption 24 point game is a kind of common mathematical operations