We currently offer courses from the first to the fourth grade. We also offer a Master of 4 Basic Operations course for free that adults can enjoy.
Four basic game modes plus three separate game modes allow players to learn accuracy, speed and concentration
We don't have the problem DB. Every problems are made by AI according to the each course
The graph shows the current and past state of the player visually in the form of graphs and tables You can easily check strong and weak points of player and how the player's state changes over time
Players can freely write on the screen while playing. They are not forced to do only mental arithmetic