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At 18:36:57 UTC on Wednesday, 17 October 1973, the first appearance of the date in ISO 8601 format [b] (1973-10-17) within the digits of Unix time (119731017) took place. At 01:46:40 UTC on Sunday, 9 September 2001, the Unix billennium (Unix time number 1 000 000 000) was celebrated. [40] The name billennium is a portmanteau of billion and ...
The government of the Nguyễn dynasty, officially the Southern dynasty ( Vietnamese: Nam Triều; chữ Hán: 南朝) [a] and commonly referred to as the Huế Court ( Vietnamese: Triều đình Huế; chữ Hán: 朝廷化), centred around the emperor (皇帝, Hoàng Đế) as the absolute monarch, surrounded by various imperial agencies and ...
A total order on the natural numbers is defined by letting a ≤ b if and only if there exists another natural number c where a + c = b. This order is compatible with the arithmetical operations in the following sense: if a, b and c are natural numbers and a ≤ b, then a + c ≤ b + c and ac ≤ bc.
e. Lê Thánh Tông (黎聖宗; 25 August 1442 – 3 March 1497), personal name Lê Hạo, temple name Thánh Tông, courtesy name Tư Thành, was an emperor of Đại Việt, reigning from 1460 to 1497, the fifth and the longest-reigning emperor of the Later Lê dynasty, and is widely praised as one of the greatest emperors in Vietnamese history.
Vietnam, [ e][ f] officially the Socialist Republic of Vietnam, [ g] is a country at the eastern edge of mainland Southeast Asia, with an area of about 331,000 square kilometres (128,000 sq mi) and a population of over 100 million, making it the world's fifteenth-most populous country.
Shìjiè Dàxué Xuéshù Páimíng. Academic Ranking of World Universities, 2003–2018, Top ten. The Academic Ranking of World Universities ( ARWU ), also known as the Shanghai Ranking, is one of the annual publications of world university rankings. The league table was originally compiled and issued by Shanghai Jiao Tong University in 2003 ...
The natural logarithm of e itself, ln e, is 1, because e1 = e, while the natural logarithm of 1 is 0, since e0 = 1 . The natural logarithm can be defined for any positive real number a as the area under the curve y = 1/x from 1 to a[ 4] (with the area being negative when 0 < a < 1 ). The simplicity of this definition, which is matched in many ...
1910. Srinivasa Ramanujan. Found several rapidly converging infinite series of π, which can compute 8 decimal places of π with each term in the series. Since the 1980s, his series have become the basis for the fastest algorithms currently used by Yasumasa Kanada and the Chudnovsky brothers to compute π . 1946.