I believe the best!

If your child is difficult to provide math lessons in elementary school, not to worry: the course will help young students to learn all the necessary material. Voiced explanations and comments, extensive reference information visualization tasks, the original system of promotion, the possibility of control and verification of acquired knowledge make lessons more effective. Resize the workspace of the simulator allows it to be used on desktop with an individual training and class when using an interactive whiteboard.

The program is designed for grades 1-4.