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 1.4a
dīrghasyākṣṇayārajjuḥ pārśvamānī tiryaṅmānī ca yat pṛthagbhute kurutas tad ubhayaṃ karoti || Sūtra _1.4a ||
dīrghacaturaśrasyetyarthaḥ / samamaṇḍalasya pārśvamānyādīnām abhāvād viṣamacaturaśrāccāyāmāḥ parigṛhyante / pārśvamānī tiryaṅbhānī kuruta iti nirdeśādakṣṇayārajjurityekavacananirdeśācca yasya caturaśrasya pārśvamānyekā tiryaṅbhānyekaivākṣṇayārajjuḥsaṅgṛhyate pārśvamānyā kṛte caturaśre yāvat kṣetraṃ bhavati tiryaṅbhānyā ca, tadubhayamakṣṇayārajjuḥ karoti--pārśvamānīkṣetraṃ tiryaṅmānīkṣetraṃ ca karotītyarthaḥ / vakṣyati ca "trikacatuṣkayoḥ' ityādinā / trikasya vargo nava (3n3u9);
catuṣkasya vargaḥ ṣoḍaśa (4n4u16) / ṣoḍaśasu navake kṣipte (16a9u25)pañcaviṃśatiḥ / pañcakā vargāḥ pañcaviṃśatiḥ (5u5n5)evaṃ savatra draṣṭavyam / pṛthaggrahaṇaṃ saṃsargo mā bhūdityevamartham / bhūtagrahaṇaṃ kimarthaṃ? pṛthakkuruta ityucyamāne saṃsargaviśeṣo'pi syāt / bhūtagrahaṇe satyetaddoṣo na bhavati /