Chatting Math Drill Japanese

"Chatting Math Drill Japanese" is Japanese voice-only math training drill of 2 digit addition/subtraction.

If you want to use this application in English version, please use "Chatting Math Drill" in our App.
(Same contents with English version)

According with recent neuroscience paper, repeating mental arithmetic enables to strength brain function and to prevent brain from dementia.
And mental arithmetic is also effective for increasing power of concentration and endurance.
Furthermore, with voice-only application, it is possible to do mental arithmetic and body exercise　simultaneously, which is said to be more effective for preventing brain from dementia.