Bhaskaracharya i mathematician images and biography

Indian mathematician and astronomer (600-680)

For others with the same name, see Bhaskara (disambiguation).

Bhāskara (c. 600 – c. 680) (commonly called Bhāskara I to avoid confusion with the 12th-century mathematicianBhāskara II) was a 7th-century Indian mathematician and astronomer who was the first to write numbers in the Hindu–Arabic decimal system with a circle for the zero, and who gave a unique and remarkable rational approximation of the sine function in his commentary on Aryabhata's work.^[3] This commentary, Āryabhaṭīyabhāṣya, written in 629, is among the oldest known prose works in Sanskrit on mathematics and astronomy. He also wrote two astronomical works in the line of Aryabhata's school: the Mahābhāskarīya ("Great Book of Bhāskara") and the Laghubhāskarīya ("Small Book of Bhāskara").^[3][4]

On 7 June 1979, the Indian Space Research Organisation launched the Bhāskara I satellite, named in honour of the mathematician.^[5]

Biography

Little is known about Bhāskara's life, except for what can be deduced from his writings. He was born in India in the 7th century, and was probably an astronomer.^[6] Bhāskara I received his astronomical education from his father.

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Bhāskara i - Great Indian Mathematician

Works of Bhaskara i

Bhaskara i is famous for the following works:

1. Zero, positional arithmetic, the approximation of sine.

2. The three treatises he wrote on the works of Aryabhata (476–550 CE )

• The Mahabhaskariya (“Great Book of Bhaskara”)

• The Laghubhaskariya (“Small Book of Bhaskara”),

• The Aryabhatiyabhashya (629)

Zero, positional arithmetic, approximation of sine

One of the most important mathematical contributions is related to the representation of numbers in a positional system. The first positional representations were known to Indian astronomers about 500 years ago before Bhaskaracharya, but the numbers were not written in figures, but in words, symbols or pictorial representations. For example, the number 1 was given as the moon, since there is only one moon. The number 2 was represented anything in pairs; the number 5 could relate to the five senses and so on…

He explains a number given in this system, using the formula ankair api, ("in figures, this reads") by repeating it written with the first nine Brahmi numerals, using a small circle for the zero. Brahmi numerals system, dating from 3rd c