Aryabhatiya – Sanskrit – Ebook download as PDF File .pdf), Text File .txt) or read book online. Aryabhatiya (IAST: Āryabhaṭīya) or Aryabhatiyam (Āryabhaṭīyaṃ), a Sanskrit astronomical treatise, is the magnum opus and only known surviving work of the . Aryabhata, आर्यभट (IAST: Āryabhaṭa) or Aryabhata I (– CE) 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 Kaliyuga, It has been claimed that the aśmaka (Sanskrit for “stone”) where Aryabhata.

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The Aryabhatiya; with the commentary Bhatadîpikâ of Paramâdîçvara

Aryabhata believed that the Earth rotated on its axis while the heavens orbited around it. Kommissionsverlag Leeman AG, Continuing the Sanskritic tradition from Vedic timeshe used letters of the alphabet to denote numbers, expressing quantities, such as the table of sines in a aryavhatiya form. This is implicit that zero was a concept that Aryabhatta was well aware of. Indian National Science Academy, For his explicit mention of the relativity of motion, he also qualifies as a major early physicist.

In the Aryabhatiya, “the sphere refers to the celestial globe and astronomical terms and calculations” Srinivasiengar Little else is known about him.

Although Aryabhatta never used zero numerically, he did use a placeholder for the power of tens. This section is noted for describing the rotation of the Earth on its axis.


There are stanzas in the Aryabhatiya. Most historians of astronomy consider that this two-epicycle model reflects elements of pre-Ptolemaic Greek astronomy. In light of this, some scholars suggest that Aryabhata intended for his Aryabhatiya to be a commentary on previous mathematicians and astronomers or possibly a skeletal outline of his small contributions to the canon sankrit knowledge Srinivasiengar eanskrit History of Hindu Mathematics.


For simplicity, people started calling it jya. Aryabhata gave the correct rule for the area of a triangle and an incorrect rule for the volume of a pyramid.

Annals of the New York Academy of Sciences. This innovation allows for advanced arithmetical computations which would have been considerably more difficult without it. There are exactly stanzas in the book and without a tutor, the book would seem ambiguous.

The figures specifically represent differences between half-chord lengths for a given angle and circle size. The belief in a stationary Earth was deeply ingrained in Indian astronomy for centuries to come.

Aryabhata – Wikipedia

In the same way that someone in a boat going forward sees an unmoving [object] going backward, so [someone] on the equator sees the unmoving stars going uniformly westward. Archived from the original PDF on 21 July He assumed that jiba was the Arabic word jaibwhich means “fold in a garment”, L.

The duration of the planetary revolutions during a mahayuga is given as 4. Even more mind-boggling to modern day readers is the fact that these numbers would have been written out as alpha-numeric words. Instead of the prevailing cosmogony in which eclipses were caused by Rahu and Ketu identified as the pseudo-planetary lunar nodes aryabhatuya, he explains eclipses in terms of shadows cast by and falling on Earth.

This problem was also studied in ancient Chinese mathematics, and its solution is usually referred to as the Chinese remainder theorem.


The Arya-siddhantaa lost work on astronomical computations, is known through the writings of Aryabhata’s contemporary, Varahamihiraand later mathematicians and commentators, including Brahmagupta and Bhaskara I. His computational paradigm was so accurate that 18th-century scientist Guillaume Le Gentilduring a visit to Pondicherry, India, found the Indian computations of the duration of the lunar eclipse of 30 August to be short by 41 seconds, whereas his charts by Tobias Mayer, were long by 68 seconds.

Add 4 tomultiply by 8, and add 62, At the same time, this system of numeration allows samskrit poetic license even in the author’s choice of numbers.

Aryabhatiya – Wikipedia

Even given a commentary, the logic is explained with a framework that is entirely alien to Western readers. Asia Publishing House, Bombay. To derive the values, Aryabhatta had to use alphanumeric words in his formulation.

Wikimedia Commons has media related to Aryabhata. Yadav 28 October In some texts, he seems to ascribe the apparent motions of the heavens to the Earth’s rotation. Also see earlier overview: He begins by giving a description of the rotations of the heavens about the Earth. Different Types of History. At the same time, this system of wanskrit allows for poetic license even in the author’s choice of numbers.