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Casting out nines. Casting out nines is any of three arithmetical procedures: [1] Adding the decimal digits of a positive whole number, while optionally ignoring any 9s or digits which sum to 9 or a multiple of 9. The result of this procedure is a number which is smaller than the original whenever the original has more than one digit, leaves ...
D. R. Kaprekar. Dattatreya Ramchandra Kaprekar (Marathi: दत्तात्रेय रामचंद्र कापरेकर; 17 January 1905 – 1986) was an Indian recreational mathematician who described several classes of natural numbers including the Kaprekar, harshad and self numbers and discovered the Kaprekar's constant, named ...
India. ISBN. 978-8120801646. OCLC. 217058562. Vedic Mathematics is a book written by Indian Shankaracharya Bharati Krishna Tirtha and first published in 1965. It contains a list of mathematical techniques which were falsely claimed to contain advanced mathematical knowledge. [1] The book was posthumously published under its deceptive title by ...
Manjul Bhargava FRS (born 8 August 1974) [2] is a Canadian-American mathematician. He is the Brandon Fradd, Class of 1983, Professor of Mathematics at Princeton University, the Stieltjes Professor of Number Theory [3] at Leiden University, and also holds Adjunct Professorships at the Tata Institute of Fundamental Research, the Indian Institute of Technology Bombay, and the University of Hyderabad.
In January 2014, Numberphile produced a YouTube video on the series, which gathered over 1.5 million views in its first month. [31] The 8-minute video is narrated by Tony Padilla, a physicist at the University of Nottingham.
I.S.I. Kolkata. Vashishtha Narayan Singh (2 April 1946 – 14 November 2019) was an Indian mathematician and academic. He taught mathematics at various institutes in India between the 1960s and the 1970s. He is popular on social media for supposedly having challenged Einstein's Theory of Relativity but there are no credible sources that prove so.
ksicl .org /palliyarasreedharan /. Palliyara Sreedharan is a writer in India on Mathematics. With the volume and popularity of his books written in Malayalam, the regional language of Kerala, he has earned the name 'Mathemagician of Kerala'. [1] He has written and published more than 150 books.This is a record in mathematics in Indian languages ...
The 2012 Indian stamp featured Srinivasa Ramanujan. The Indian government declared 22 December to be celebrated as National Mathematics Day every year to mark the birth anniversary of the Indian mathematician Srinivasa Ramanujan. It was introduced by Prime Minister Manmohan Singh on 26 December 2011 at Madras University, to mark the 125th birth ...