Hemachandra
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Hemachandra was a 11-12th century Śvetāmbara Jaina ācārya, scholar, poet, mathematician, philosopher, yogi, grammarian, law theorist, historian, lexicographer, rhetorician, logician, and prosodist. No
Bust of Hemacandra at Hemchandracharya North Gujarat University
Idol of Hemacandra at Jain Center of New Jersey, US
A 12th-century manuscript of Hemacandra's Yogasastra in Sanskrit. The text is notable for using 1 mm miniaturized Devanagari script.
Hemacandra's grammar text Siddhahemashabdanushasana in Sanskrit
Fibonacci sequence
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In mathematics, the Fibonacci sequence is a sequence in which each element is the sum of the two elements that precede it. Numbers that are part of the Fibonacci sequence are known as Fibonacci number
Hemachandra
…He composed the Chandonuśāsana, a work on prosody, with commentary. Hemacandra, following the earlier Gopala, described the Fibonacci sequence in around 1150, about fifty years before Fibonacci (1202). He was considering the number of cadences of length n, and showed that these could be formed…
A page of Fibonacci's Liber Abaci from the Biblioteca Nazionale di Firenze showing (in box on right) 13 entries of the Fibonacci sequence: the indices from present to XII (months) as Latin ordinals and Roman numerals and the numbers (of rabbit pairs) as Hindu-Arabic numerals starting with 1, 2, 3, 5 and ending with 377.