It is a completely free brain training mental arithmetic game app.

Activate your brain with calculation training!
Now that you are an adult, why not relearn and improve your mental arithmetic?
It is a calculation training that can be easily done in the spare time.

Improve your thinking and concentration in your daily life with effective mental arithmetic training as a brain exercise!
Have fun training your brain!

・It corresponds to various levels from those who are not good at mental arithmetic with level-specific problems to those who are mental arithmetic advanced.
・Equipped with a calendar function that can be continued every day!
・ Be good at calculations with math (arithmetic) training! Improve your mental arithmetic skills!
・Simple operation makes it easy for anyone to start even seniors (elderly people)
・A design that can be enjoyed by all age groups, from adults to seniors
・ Activate your brain through daily training

This app is recommended for the following people

・People who want to train their mental arithmetic by relearning adults
・ People who want to do brain training in their spare time
・ People who want to improve their calculation skills by re-learning math (mathematics)
・Seniors (elderly) who want to try something new for the first time
・ People who want to do brain training with a free application that is easy to operate
・ People who want to exercise their brain with mental arithmetic
・ People who are worried about forgetting things recently
・ People who want to train their memory
・ People who tend to be distracted and want to solve
・ People who want to improve their concentration
・People who want to increase the processing power of the brain
・ People who want to be able to quickly calculate and mental arithmetic
・ People who want to do brain exercises to kill time
・ People who want to prevent forgetfulness / blurring
・ People who want to activate the prefrontal cortex
・ People who want to train their reflexes
・ People who want to kill time casually with mental arithmetic games

Boost your mental arithmetic and start exercising your brain!
Free brain training!