Android 13 fixes
Fill in the square with the numbers 1 through 9 so that the arithmetic matches the numbers at the end of each row and column.
Note that this game uses BODMAS / BEDMAS / BIDMAS, so
9 + 6 * 5 = 39
Features
* Simple controls
* Fun for all ages from 8 to 80
* Educational
* BODMAS / BEDMAS support
* 5 difficulty levels
