みんなで算数バトル

Aim for the world rank with overwhelming calculation power! Currently, there are four modes to play: * Battle Royale Mode: A real-time battle-only mode. Four players compete to solve the same problems and get the most correct answers. * Time Attack Mode: A mode where you compete to see how fast you can do calculations. * Score Attack Mode: A mode where you compete to see how many problems you can solve in 30 seconds.