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Hina Ohara, aged 7, adds up five very large numbers. Hina is a pupil at the Urawa Soroban Academy in Urawa, Tokyo.

https://youtube.com/@AbacusFastCalculation?si=kT82_BEsar1JpDk9.

I love watching the Chinese use the Abacus. ..

You don't have to be born with the gift of numbers. With the right tools like Abacus Mind Math, ability to calculate quickly can be ...

Combining addition, subtraction, multiplication & division in one go is not possible the way they are here ! Objectives are clear and ...

Amazing Abacus Math Video.

This kid can multiply and divide in the millions and thousands in under seconds with this abacus.