A useful companion for umpires, this app allows you to keep track of the balls, strikes, outs, and the inning!
Want to have a non-traditional game with 7 balls, 2 strikes, and 10 outs? You can also set the maximum number of each category.
这是一个有用的指南umpires应用程序,允许你保持跟踪的球,罢工,奏,和局。
想有一个与非传统的游戏机2和7球,击奏,10?你也可以设置每个类的最大数量。