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essentially every construction involving circles leads to a different such approximation. The paper of R.C. Gupta is concerned with an interpretation of verses 11.14 and 11.15 of Manava's work which give π = 25/8 = 3.125.
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contained approximate constructions of circles from rectangles, and squares from circles, which can be thought of as giving approximate values of π. There appear therefore different values of π throughout the
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is there to enable accurate construction of altars needed for sacrifices. It is clear from the writing that Manava, as well as being a priest, must have been a skilled craftsman.
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is older), nor is it one of the most important, there being at least three
Sulbasutras which are considered more important. Historians place his lifetime at around 750 BC.
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Gupta, R.C. (July 1988). "New Indian Values of π from the Mānava Súlba Sūtra".
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Dani, S.G. (1 August 2019). "Some constructions in the Mānava Śulvasūtra".
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Infinite series expansions for the trigonometric functions
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