基于linux的QT3开发的计算器，界面ui简单清晰，demo精炼，适合QT设计入门参考。-Development of QT3 linux-based calculator, simple and clear interface, ui, demo refined, designed for entry-QT reference.

在arm嵌入式环境下设计的触摸屏的计算器，设计了触屏界面，实现基本运算，包括小数运算和平方根运算-Arm embedded in the environment designed touch screen calculator, designed touch screen interface to achieve the basic operations, including the small number of operations and square root operations

基于Qt界面设计的科学计算器，能完成一半的加减乘除、小数、开方，乘方等-Scientific calculator based on Qt interface design, can complete, decimal, prescribing half of addition, subtraction, multiplication, and division, power, etc