Apastamba Sulba-sutra [sanskrit]
29,967 words
The Sanskrit edition of the Apastamba Sulba-sutra with the commentaries of Kapardin, Karavinda and Sundararaja. The Sulbasutras are considered Vedic appendices and deals with the ancient Indian science of Mathematics and Geometry, by instructing the construction of fire-altars, among others. Original titles: Āpastambaśulbasūtra (आपस्तम्बशुल्बसूत्र), Kapardin (कपर्दिन्), Karavinda (करविन्द), Sundararāja (सुन्दरराज)
Sutra 5.7b
dakṣiṇasmād aṃsād dvādaśasu dakṣiṇasyāṃ śroṇyāṃ nipātayet | chedaṃ viparyasyottarata upadadhyāt | sā dīrghā caturaśrā | tathā yuktāṃ saṃcakṣīta || Sūtra _5.7b ||
dakṣiṇasmādaṃsādārabhya dvādaśasveva śroṇyāṃ vipādayet / trīṇi padāni śroṇideśe, viparyasyottarasminnaṃse manasā sthāpayet / evaṃ kṛte saptaviṃśativistārā ṣaṭtriṃśadāyatā dīrghacaturaśrā bhavati / tathābhūtāṃ vediṃ saptaviṃśatiṃ ṣaṭtriṃśatyā guṇite sati aṣṭāviṃśatyūnapadasahasraṃ bhavati /