IQ development game inspired by Japan efficient methodology by Ryuta Kawashima. Development could be fun! Training and solving of the math tasks against the time is a basis of mind training methodology.
+ Game rules Look at equation. Answer whether it is true or false.
+ Game modes. - Solve as much equations as you can in particular time. - Solve equations as fast as you can. - Solve equations against the time infinitely.
Constant mind training is a way to prolong you life and to make grey matter stay tuned.