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Principles Of Hindu Reckoning
''Principles of Hindu Reckoning'' (''Kitab fi usul hisab al-hind'') is a mathematics book written by the 10th- and 11th-century Persian mathematician Kushyar ibn Labban. It is the second-oldest book extant in Arabic about Hindu arithmetic using Hindu-Arabic numerals ( ० ۱ ۲ ۳ ۴ ۵ ۶ ۷ ۸ ۹), preceded by ''Kibab al-Fusul fi al-Hisub al-Hindi'' by Abul al-Hassan Ahmad ibn Ibrahim al-Uglidis, written in 952. Although Al-Khwarzimi also wrote a book about Hindu arithmetic in 825, his Arabic original was lost, and only a 12th-century translation is extant. Kushyar ibn Labban did not mention the Indian sources for ''Hindu Reckoning'', and there is no earlier Indian book extant which covers the same topics as discussed in this book. ''Principles of Hindu Reckoning'' was one of the foreign sources for ''Hindu Reckoning'' in the 10th and 11th century in India. It was translated into English by Martin Levey and Marvin Petruck in 1963 from the only extant Arabic manuscript at ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rod Calculus Addition
Rod, Ror, Ród, Rőd, Rød, Röd, ROD, or R.O.D. may refer to: Devices * Birch rod, made out of twigs from birch or other trees for corporal punishment * Ceremonial rod, used to indicate a position of authority * Connecting rod, main, coupling, or side rod, in a reciprocating engine * Control rod, used to control the rate of fission in a nuclear reactor * Divining rod, two rods believed by some to find water in a practice known as dowsing * Fishing rod, a tool used to catch fish, like a long pole with a hook on the end * Lightning rod, a conductor on top of a building to protect the building in the event of lightning by taking the charge harmlessly to earth * Measuring rod, a kind of ruler * Switch (corporal punishment), a piece of wood as used as a staff or for corporal punishment, or a bundle of such switches * Truss rod, a steel part inside a guitar neck used for its tension adjustment Arts and entertainment * '' Read or Die'', a Japanese anime and manga ** ''Read or Die ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jordanus De Nemore
Jordanus de Nemore (fl. 13th century), also known as Jordanus Nemorarius and Giordano of Nemi, was a thirteenth-century European mathematician and scientist. The literal translation of Jordanus de Nemore (Giordano of Nemi) would indicate that he was an Italian. Bertrand Gille, ''Les ingénieurs de la Renaissance''. He wrote treatises on at least 6 different important mathematical subjects: the science of weights; “algorismi” treatises on practical arithmetic; pure arithmetic; algebra; geometry; and stereographic projection. Most of these treatises exist in several versions or reworkings from the Middle Ages. We know nothing about him personally, other than the approximate date of his work. Life No biographical details are known about Jordanus de Nemore. Cited in the early manuscripts simply as “Jordanus”, he was later given the sobriquet of “de Nemore” (“of the Forest,” “Forester”) which does not add any firm biographical information. In the Renaissance his na ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sunzi Sqrt
Sun Tzu ( ; zh, t=孫子, s=孙子, first= t, p=Sūnzǐ) was a Chinese military general, strategist, philosopher, and writer who lived during the Eastern Zhou period of 771 to 256 BCE. Sun Tzu is traditionally credited as the author of ''The Art of War'', an influential work of military strategy that has affected both Western and East Asian philosophy and military thinking. Sun Tzu is revered in Chinese and East Asian culture as a legendary historical and military figure. His birth name was Sun Wu ( zh, t=孫武, s=孙武, first=t) and he was known outside of his family by his courtesy name Changqing ( zh, t=長卿). The name ''Sun Tzu'' by which he is more popularly known is an honorific which means "Master Sun". Sun Tzu's historicity is uncertain. The Han dynasty historian Sima Qian and other traditional Chinese historians placed him as a minister to King Helü of Wu and dated his lifetime to 544–496 BCE. Modern scholars accepting his historicity place the extant text of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sunzi Division
Sun Tzu ( ; zh, t=孫子, s=孙子, first= t, p=Sūnzǐ) was a Chinese military general, strategist, philosopher, and writer who lived during the Eastern Zhou period of 771 to 256 BCE. Sun Tzu is traditionally credited as the author of ''The Art of War'', an influential work of military strategy that has affected both Western and East Asian philosophy and military thinking. Sun Tzu is revered in Chinese and East Asian culture as a legendary historical and military figure. His birth name was Sun Wu ( zh, t=孫武, s=孙武, first=t) and he was known outside of his family by his courtesy name Changqing ( zh, t=長卿). The name ''Sun Tzu'' by which he is more popularly known is an honorific which means "Master Sun". Sun Tzu's historicity is uncertain. The Han dynasty historian Sima Qian and other traditional Chinese historians placed him as a minister to King Helü of Wu and dated his lifetime to 544–496 BCE. Modern scholars accepting his historicity place the extant tex ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lam Lay Yong
Lam Lay Yong (maiden name Oon Lay Yong, ; born 1936) is a retired Professor of Mathematics. Academic career From 1988 to 1996 she was Professor at the Department of Mathematics, National University of Singapore (NUS). She graduated from the University of Malaya (later becoming University of Singapore) in 1957 and pursued graduate study in Cambridge University, obtaining her Ph.D. degree from University of Singapore in 1966, and becoming a lecturer at the University of Singapore. She was promoted to full professor in 1988, taught in NUS for 35 years, and retired in 1996. From 1974 to 1990, Lam Lay Yong was the associate editor of ''Historia Mathematica''. Lam was a member of Académie Internationale d'Histoire des Sciences. In 2001, Lam Lay Yong was awarded the Kenneth O. May Prize jointly with Ubiratan D'Ambrosio. Lam was the first Asian and first woman to receive this award. Her reception speech was ''Ancient Chinese Mathematics and its influence on World Mathematics''. L ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Labban Multiplication
El Labban ( arz, اللبان) is a neighborhood in Alexandria, Egypt. It lies next to West Port. See also * Neighborhoods in Alexandria Alexandria, Virginia, an independent city in the Commonwealth of Virginia, is located along the western bank of the Potomac River. The city of approximately 151,000 is about six miles (9.6 kilometers) south of downtown Washington, D.C. Several o ... Neighbourhoods of Alexandria {{Egypt-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Multiplication Algorithm
A multiplication algorithm is an algorithm (or method) to multiply two numbers. Depending on the size of the numbers, different algorithms are more efficient than others. Efficient multiplication algorithms have existed since the advent of the decimal system. Long multiplication If a positional numeral system is used, a natural way of multiplying numbers is taught in schools as long multiplication, sometimes called grade-school multiplication, sometimes called the Standard Algorithm: multiply the multiplicand by each digit of the multiplier and then add up all the properly shifted results. It requires memorization of the multiplication table for single digits. This is the usual algorithm for multiplying larger numbers by hand in base 10. A person doing long multiplication on paper will write down all the products and then add them together; an abacus-user will sum the products as soon as each one is computed. Example This example uses ''long multiplication'' to multiply 23,958 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
