非常好的时钟实现数据集，对于做学习matlab编程非常有帮助，而且可以放在桌面上使用，随时给你时间的提醒，希望对你有帮助。-Very nice clock for data collection, for doing very helpful to learn matlab programming, and can be used on the desktop, ready to give you time reminder, I hope to help you.