A History of the Kerala School of Hindu Astronomy (in Perspective) c8.s6.56

c8.s6.56

Using the above relationship of the diameter and the circumference, Mādhava has derived the 24 mahājyās (accurate sign-chords) which he has depicted in the mnemonic beginning with śreṣṭham nāma variṣṭhanām (0°—224′—50″—22″).¹ It has also been verified that the value of the radian assumed by Mādhava in this evaluation corresponds to 3437′—44″—48″—22″, which is remarkably close to its modern approximation, viz., 3437′.74577978 = 3437′—44′—48″—22″, 49.²