Remember the location and calculates a game to solve the problem presented.

Turn it showed after the operator panel with a numeric and written memories after a certain period of time and calculate the number and position of the operator is to play to fit the given number.

1. You can choose to play and difficulty selection operation.
2. You must remember to start play in the time limit.
3. Remember the combination numbers must be aligned answer.
4. You can solve the problem of high level more in line the right answer.