Read this article to learn about the history of mathematics and how the abacus has evolved.
You can know the calculation method before BC and the prototype of the abacus.
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Table of contents
1. The history of the abacus [2/2]
1-1．Abacus epidemic in China
1-2．Abacus from China to Japan
1-3．Abacus has been used in the calculation in the war
1-4．Abacus started to be made in Japan
1-5．Various abacus books are issued in Japan
1-6．A four-beads abacus was considered
1-7．Private school began to increase
1-8．Abacus begins to attract attention overseas
1-9．New abacus competition gains popularity
1-10．Internationalization of the abacus advances
1. The history of the abacus [2/2]
1-1.Abacus epidemic in China
A book called "Sampou Tousou" published in the original era in China was published, and became very popular until the end of the Ming era,
1-2.Abacus from China to Japan
At the end of the Ming Dynasty in China, Ming Dynasty introduced the abacus to Japan through trading ports in Osaka and Nagasaki.
1-3. Abacus has been used in the calculation in the war
It is said that the abacus was used in the war in 1592.
1-4.Abacus started to be made in Japan
In 1612, he was taught how to make an abacus that came from China, and is said to have started making abacus in Japan.
1-5.Various abacus books are issued in Japan
As mathematics research progressed, and with the development of the monetary economy and the rise of commercial activity, many abacus books for calculations were published.
1-6.A four-beads abacus was considered
In 1781, Mitsui Nyui wrote in his book "The First Academic Algorithm" that he advocated using a four-beads abacus, but was not adopted at that time because other calculation methods were common.
1-7.Private school began to increase
Since the middle of the Edo period, the culture of the common people has remarkably developed, and the number of Terakoya has rapidly increased as an educational institution for the common people. He mainly teaches reading and writing abacus, and has laid the foundation for the cultural development of Japan.
1-8.Abacus begins to attract attention overseas
"In the 1990s, the number of abacus learners in Japan dropped sharply, but the United States and Southeast Asia
In A, the heat increased from the abacus as a practical value to the abacus oriented to skill development.
Has spread to Latin America."
1-9.New abacus competition gains popularity
"In the 2000s, abacus from brain scientists research
Finding that learning is useful as a teaching tool for skills development and health maintenance
Expressed and attracted attention in conjunction with image training
It has become like."
1-10.Internationalization of the abacus advances
The internationalization of the abacus has rapidly increased, and the conversion of abacus schools to FC has been accelerating in Southeast Asia. Abacus fever was growing in South America and Europe, and leader exchanges and seminars were held in various places. International competitions have also become popular.
As such, the abacus and the history of mathematics are still being learned around the world as a tool for developing skills that are timeless and useful for modern children.
At present, one five beads and four one beads made in Japan are used all over the world for children's education.
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