Tomoe Soroban　トモエそろばん│flash mental calculation

The TOMOE Flash Mental Calculation (TFMC) game is now on the web!
This game is designed not only for beginners but also for experts. Let's challenge the Internet ranking. You can take part in challenging this world ranking game online.

What is Tomoe Flash Mental Calculation?

It’s flash mental arithmetic. Let's try
Let's challenge the flash mental arithmetic from beginning to advanced, starting with your level of ability.

1 digit
5 rows

2 digit
5 rows

3 digit
5 rows

1 digit
10rows

2 digit
10 rows

3 digit
10 rows

INTERNET WORLD RANKING
There are many people from all over the world who would like to participate the TFMC game.
If you take part, you could be the world champion for a day, a week, or a month!

Today

Week

Month

1 digit
5 rows

1 digit
5 rows

1 digit
5 rows

1 digit
10 rows

1 digit
10 rows

1 digit
10 rows

2 digit
5 rows

2 digit
5 rows

2 digit
5 rows

2 digit
10 rows

2 digit
10 rows

2 digit
10 rows

3 digit
5 rows

3 digit
5 rows

3 digit
5 rows

3 digit
10 rows

3 digit
10 rows

3 digit
10 rows

The soroban (Japanese abacus) is an excellent way to develop a keen number sense, as well as fast calculation skills. With practice, you will be able to calculate without even using an abacus.

The Tomoe Flash Mental Calculation system was developed was developed for this purpose.

To begin with, try the one digit numbers, and try to visualize the soroban beads in your head. This is the first step to becoming an expert.

We have lots of friends who are studying the soroban with us from all over the world.

Try to compete with other and see if you can become a champion!

Good Luck!