The development of mental calculation skills, such as addition, multiplication, and division, is important. You can train the brain using this mental arithmetic application, called Flash Anzan. It is based on the system called Flash Anzan, which is a mental training system used in Japan.

The brain function has been improved by developing this application, which is made up of a mental arithmetic application and a visual perception training. In other words, your brain can use a visual memory for quick calculations, but using a visual perception, the brain can improve the ability to calculate.

By using this application, you can perform hundreds of calculations a minute. By using a mental arithmetic application and a visual perception, the brain function can be improved.