在水文计算中,有一些计算可以使用袖珍机。袖珍计算机很适用于小型的、计算内容比较单纯的计算,虽然它的速度慢些、容量小些,但是操作和携带方便,对于无需用大机计算的题目,它是一个很好的补充。本文主要谈谈一些使用袖珍机的体会和认识。 In hydrology calculations, there are some calculations that can use pocket machines. Pocket computer is suitable for small, relatively simple calculation of computing content, although its slower, smaller capacity, but easy to operate and carry, for large machine without the subject of the problem, it is a good supplement. This article mainly talk about some experience and understanding of the use of pocket machine.