Have you ever used an abacus If so, you know that beads can be moved to keep track of counted objects. Over time, versions of the abacus were used by the ancient Persians, Greeks, Romans, and Chinese. After studying this text and practicing its content, the reader should be able to perform calculations according to the Traditional Method using any type of eastern abacus and understand (whenever possible) why they were done that way. For example, the Sumerian abacus may have been the first one. The Chinese abacus has a long history, and using one is actually simple though it takes practice to use it proficiently. This text is aimed at those who already have a basic level in the use of the abacus following the Modern Method currently taught and who wish to delve into the history of their favorite instrument and mathematics in the Far East. The Japanese Soroban Abacus The Japanese Soroban abacus came into existence in the 14th century, having derived inspiration from the Chinese Suanpan. for at least four centuries.Ĭhinese beads arithmetic has been inscribed in 2013 on the UNESCO Representative List of the Intangible Cultural Heritage of Humanity, however, the information available in English on this subject is scant and scattered, so it is worth the effort of trying to gather it somewhere, for instance, in this book. So, the Chinese abacus can be used for doing division, multiplication and for taking square roots and cube roots as well. This textbook is an introduction to the Traditional Beads Arithmetic (珠算 zhūsuàn in Chinese, shuzan in Japanese), or the use of the eastern fixed-bead abacus (算盤, suanpan in Chinese, soroban in Japanese) as practiced in China, Japan, Korea, Vietnam, etc. Allegory of a traditional division exercise with abacus (998001/999) Traditional Chinese abacus illustrating the suspended bead use 孤雁歸隊 ( Gūyàn guīduì) The lone geese return to flock. This book requires that you first read Using an Abacus. This book is intended for advanced readers. A printable version of Traditional Abacus and Bead Arithmetic is available.
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