Math Invaders (Calculation, Brain Training Apps) description

The more you play, the more you’ll improve your computational skills!
Solve equations to drive away the invaders!
　
■ Application Features
Enjoyable for all ages.
Become skilled at arithmetic, useful for your mathematical studies.
You can also play offline.
Increase your ability to concentrate through brain activation.
Compete for the best score in the world rankings.
Even playing for a short amount of time can be a lot of fun!