【This app has required the account issued by "Bingo! Soroban".】
Soroban Monster - Play Game and master Soroban and mental arithmetic.

Soroban Monster is a brain training game. Grow your Monster by simply sliding beads quickly and correctly according to the shown numbers.

In this way, any children will be able to calculate 3digits or greater numbers mentally with ease.

Soroban is the Japanese abacus which is now widespread all over the world because of its wonderful effect on the development of children's brain, especially for mental arithmetic, concentration, and working memory.

3 in 1 App
You can use this App as
1. Soroban (Free mode)
2. Textbook (you can learn Soroban and mental arithmetic step by step through playing the game.)
3. Teacher (using Hints for each task.)

Level
Soroban & Mental arithmetic : Addition and subtractions up to 3 digits(999).

For 3 to 100 years old.
It is also good for reactivating the brain of seniors!