The Science of the Shulba: A Study in Early Hindu Geometry c22.42
The Science of the Śulba: A Study in Early Hindu Geometry c22.42
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c22.42
arc of a circle very likely with an arrow-head at one extremity. Thus we have the terms *dakṣiṇāvṛta lekhā* (‘the line turning rotationally towards the right’’) and *savyāvṛta lekhā* (‘the line turning rotationally towards the left’’).¹ Again a rotation is called *dakṣiṇā-prāk*, if it is towards the east by the south, and *dakṣiṇā-pratyak*, if it is towards the west by the south.²