Guess that sign!

Guess that sign is an attractive math game, that can also teach you calculate faster!

This application brings a little more challenge and fun for learning in-mind calculations.
* Try every day!
* become smarter!
* think faster!
This three achievements you will get, after playing this small game. Current version provides next features:
* One minute to solve as mush as possible quests;
* Addition, subtraction, devision and multiplication.

Try to beat yourself, get new best score every day!