also known as Aida Ammei, was a Japanese
mathematician
A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems.
Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change.
History
On ...
in the
Edo period
The or is the period between 1603 and 1867 in the history of Japan, when Japan was under the rule of the Tokugawa shogunate and the country's 300 regional '' daimyo''. Emerging from the chaos of the Sengoku period, the Edo period was characte ...
.
He made significant contributions to the fields of
number theory
Number theory (or arithmetic or higher arithmetic in older usage) is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions. German mathematician Carl Friedrich Gauss (1777–1855) said, "Mat ...
and
geometry
Geometry (; ) is, with arithmetic, one of the oldest branches of mathematics. It is concerned with properties of space such as the distance, shape, size, and relative position of figures. A mathematician who works in the field of geometry is ...
, and furthered methods for simplifying
continued fractions
In mathematics, a continued fraction is an expression obtained through an iterative process of representing a number as the sum of its integer part and the reciprocal of another number, then writing this other number as the sum of its integer ...
.
Aida created an original symbol for "equal". This was the first appearance of the notation for equal in East Asia.
[Jochi, Shigeru. (1997). ]
Selected works
In a statistical overview derived from writings by and about Aida Yasuaki,
OCLC/
WorldCat
WorldCat is a union catalog that itemizes the collections of tens of thousands of institutions (mostly libraries), in many countries, that are current or past members of the OCLC global cooperative. It is operated by OCLC, Inc. Many of the O ...
encompasses roughly 50 works in 50+ publications in 1 language and 50+ library holdings.
WorldCat Identities 会田安明 1747–1817
/ref>
*1784 —
OCLC 22057343766
*1785 —
OCLC 22049703851
''Counter-arguments with seiyo sampō''
OCLC 22056510030
''Counter-arguments with seiyo sampō, new edition''
OCLC 22056510044
ref name="jochi38"/>
*1797 —
OCLC 22057185824
ref name="jochi38"/>
*1801 —
OCLC 22057185770
ref name="jochi38"/>
* 1811 —
See also
*Sangaku
Sangaku or San Gaku ( ja, 算額, lit=calculation tablet) are Japanese geometrical problems or theorems on wooden tablets which were placed as offerings at Shinto shrines or Buddhist temples during the Edo period by members of all social classes ...
, the custom of presenting mathematical problems, carved in wood tablets, to the public in shinto shrines
A is a structure whose main purpose is to house ("enshrine") one or more ''kami'', the deities of the Shinto religion.
Overview
Structurally, a Shinto shrine typically comprises several buildings.
The '' honden''Also called (本殿, meani ...
*Soroban
The is an abacus developed in Japan. It is derived from the ancient Chinese suanpan, imported to Japan in the 14th century. Like the suanpan, the soroban is still used today, despite the proliferation of practical and affordable pocket electr ...
, a Japanese abacus
The abacus (''plural'' abaci or abacuses), also called a counting frame, is a calculating tool which has been used since ancient times. It was used in the ancient Near East, Europe, China, and Russia, centuries before the adoption of the Hi ...
*Japanese mathematics
denotes a distinct kind of mathematics which was developed in Japan during the Edo period (1603–1867). The term ''wasan'', from ''wa'' ("Japanese") and ''san'' ("calculation"), was coined in the 1870s and employed to distinguish native Japanese ...
Notes
References
*Endō Toshisada (1896). . Tōkyō: _____.
*Restivo, Sal P. (1992)
''Mathematics in Society and History: Sociological Inquiries.''
Dordrecht: Kluwer Academic Publishers. ;
* Selin, Helaine. (1997)
''Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures.''
Dordrecht: Kluwer
Wolters Kluwer N.V. () is a Dutch information services company. The company is headquartered in Alphen aan den Rijn, Netherlands (Global) and Philadelphia, United States (corporate). Wolters Kluwer in its current form was founded in 1987 with a m ...
/Springer
Springer or springers may refer to:
Publishers
* Springer Science+Business Media, aka Springer International Publishing, a worldwide publishing group founded in 1842 in Germany formerly known as Springer-Verlag.
** Springer Nature, a multinationa ...
. ;
*Shimodaira, Kazuo. (1970). "Aida Yasuaki", ''Dictionary of Scientific Biography
The ''Dictionary of Scientific Biography'' is a scholarly reference work that was published from 1970 through 1980 by publisher Charles Scribner's Sons, with main editor the science historian Charles Gillispie, from Princeton University. It consi ...
.'' New York: Charles Scribner's Sons.
*David Eugene Smith
David Eugene Smith (January 21, 1860 – July 29, 1944) was an American mathematician, educator, and editor.
Education and career
David Eugene Smith is considered one of the founders of the field of mathematics education. Smith was born in Cortl ...
and Yoshio Mikami
was a Japanese mathematician and historian of '' Japanese mathematics''. He was born February 16, 1875, in Kotachi, Hiroshima prefecture. He attended the High School of Tohoku University, and in 1911 was admitted to the Imperial University of To ...
. (1914)
''A History of Japanese Mathematics.''
Chicago: Open Court Publishing
– note alternate online, full-text copy at archive.org
External links
*
{{DEFAULTSORT:Aida, Yasuaki
18th-century Japanese mathematicians
19th-century Japanese mathematicians
Number theorists
Geometers
1747 births
1817 deaths
Japanese writers of the Edo period