弹弹堂网页游戏任意角度计算器，可以设定自己和对方坐标，支持小图和大图计算和风力计算。-Dan Dan Church web games at any angle calculator, you can set yourself and the other coordinates, and to support the small map and large map calculation and wind calculations.

简易计算器 可以计算整条运算使。其功能模仿google的网页计算器,区别于windowsXP系统自带的计算器-Simple calculator can make the whole operation. Its features mimic google web calculator, calculator distinguishes windowsXP system comes