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Aryabhata ( ISO: Āryabhaṭa) or Aryabhata I [3] [4] (476–550 CE) [5] [6] was the first of the major mathematician-astronomers from the classical age of Indian mathematics and Indian astronomy. His works include the Āryabhaṭīya (which mentions that in 3600 Kali Yuga , 499 CE, he was 23 years old) [ 7 ] and the Arya- siddhanta .
Reference of Kuttaka in Aryabhatiya . Aryabhatiya (IAST: Āryabhaṭīya) or Aryabhatiyam (Āryabhaṭīyaṃ), a Sanskrit astronomical treatise, is the magnum opus and only known surviving work of the 5th century Indian mathematician Aryabhata.
Indian astronomy flowered in the 5th–6th century, with Aryabhata, whose work, Aryabhatiya, represented the pinnacle of astronomical knowledge at the time. The Aryabhatiya is composed of four sections, covering topics such as units of time, methods for determining the positions of planets, the cause of day and night, and several other ...
In this measure, the circumference of a circle is 360° = (60 × 360) minutes = 21600 minutes. The radius of the circle, the measure of whose circumference is 21600 minutes, is 21600 / 2π minutes. Computing this using the value π = 3.1416 known to Aryabhata one gets the radius of the circle as 3438 minutes approximately. Āryabhaṭa's sine ...
Commentary on Aryabhata's Aryabhatiya. This commentary is known by various titles including Aryabhata-prakasha, Bhata-prakasha, Prakasha, Aryabhata-prakashika, Bhata-prakashika, and Prakashika. [7] Yallaya added further notes to this text, and Parameshvara (c. 1431) used it as a source for writing a new commentary on Aryabhatiya. [8]
Aryabhata used this number system for representing both small and large numbers in his mathematical and astronomical calculations. This system can even be used to represent fractions and mixed fractions. For example, nga is 1 ⁄ 5, nja is 1 ⁄ 10 and jhardam (jha=9; its half) = 4 + 1 ⁄ 2. [further explanation needed]
Aryabhata made several contributions such as assigning the start of each day to midnight. [ 158 ] the earth's rotation on its axis, westward motion of the stars. [ 158 ] Aryabhata also mentioned that reflected sunlight is the cause behind the shining of the Moon. [ 158 ]
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