现如今，出租车出现在在各大小城市中，给人们带来了很大的便利，人们对出租车最关心的还是在于车价和路程行驶的合理和公道性。

对此就要求一个较为合理简便的计价器的出现。因此我们结合本课程的基础知识来设计一个计程车计价器。

-Now, in the size of the taxi appeared in the city, to bring great convenience, people are most concerned about is that the taxi and the prices reasonable driving distance and rationality. This would require a more reasonable simple meter appears. So we combine the basics of this course to design a taxi meter.