A History of the Kerala School of Hindu Astronomy (in Perspective) c8.s6.60

c8.s6.60

³ For these enunciations and their traditional expositions, see : Nīlakaṇṭha Somayājī’s Bhāṣya on the Āryabhaṭīya, Gaṇita, 9-12 (edn., Trivandrum, 1930), Pt. I, pp 40 ff.; Yuktibhāṣa, op. cit., pp. 72-142; Kriyākramakarī on the Līlāvatī 2, vṛtta. 40, and Karaṇapaddhati, op. cit., pp. 173-88. And, for their demonstration in modern terms see, Marar and Rajagopal and Vedamurthi Aiyar, ‘On the Hindu proof of Gregory’s series’, Scr. Math. 17 (1951) 65-74; Rajagopal and Vedamurthi Aiyar, ‘A Hindu approximation to Pi’, Scr. Math. 18 (1952) 25-31; T.A. Saraswathi, ‘The development of mathematical series in India’, Bul. of the National Inst. of Sc. of India, 21 (1962) 320-43.