You will be given math expression without any arithmetical symbols.In front of you will occur the obstacle in the form of arithmetic symbols.You should catch the right symbol , by tapping on the screen, ( line moves zigzag ) . If you catch the right answer you will be given one point. The more points the faster the game. This game is good to play in your free time and good to improve your math problem solving abilities. Play it and become "Math Genius". Good luck!