Abacus Math

無料の講義によってそろばん計算を学習し、私の子供を教えます。

In today's digital age, the human ability to think and numeracy paralyzed in mobile phone

"We cannot continue to be like this. something has to be done!"

Abacus Math app is designed to improve the calculation ability of the learner through the principle of the abacus.

The learners can compare the amount and size of the number through the beads of the abacus and easily understand the principle of addition and subtraction.

Also, you can learn the basic concepts of calculation like quinary and decimal numeration through the concept of complementary number(the number which is the sum of the number of each digit number could be a certain number) used in the abacus calculation.

Even if you don't know how to use the abacus, you can learn the basic use over 250 free tutorials provided in the app.

* Introduction to the Abacus

* Addition & Subtraction

* Multiplication

* Division

Full instructions: http://www.hiabacus.com

Abacus mental arithmetic craze around the world!

Recently Harvard University, University of California co-researchers, the results of the experiments with the children who learned the abacus calculation for 3 years and children who didn't learn the abacus calculation,

announced that mental arithmetic skills and numeracy of children who learned the abacus calculation greatly improved.

Because the use of the abacus with fingers extensively activates a brain circuit

Thus, the US is now abacus tutoring is emerging and the old shops selling goods, customers that purchase the abacus steadily increasing