Test your math skills! Mathematics is an addictive game of mathematical logic similar to the classic crossword puzzles. Consists of a square grid of eighty-cells filled with numbers. The objective of the game is to find the number in the grid corresponding to the result of the math shown in large on the right (of the type x + y, xy, x * y or x / y). If the selected number is correct, the device propose the next operation to search, otherwise the cell clicked will return to its original color by decreasing the number of moves available.