1 gps基本算法，如GPS时间、星历计算、大气层延迟计算、位置计算、数学基础库 2 试验数据

　用C#写的比较基础的windows Form 程序,该计算器实现了基础的数学运算,如加,减,乘,除等任务.主要是通过该程序学习vs.net的 　　编程环境,以及windows Form程序.主要针对初学者-Comparison with C# to write programs based on windows Form, which implements the basic math calculator operations such as addition, subtracti