Narada Purana — Purva Bhaga, Shloka 106
Jyotiṣa-śāstra Saṅgraha: Threefold Division, Gaṇita Methods, Muhūrta, and Planetary Reckoning
युग्मवृत्तेधनर्णश्यादोजादूनेऽधिके स्फुटम् । तद्गुणे भुजकोटिज्येभगणांशविभाजिते ॥ १०६ ॥
yugmavṛttedhanarṇaśyādojādūne'dhike sphuṭam | tadguṇe bhujakoṭijyebhagaṇāṃśavibhājite || 106 ||
Dalam lingkaran genap (yugma), hasil diperlakukan sebagai positif atau negatif: bila bagian ojas kurang maka ditambah, bila berlebih maka dikurangi, sehingga diperoleh nilai yang jelas (terkoreksi). Dengan mengalikannya, lalu membagi menurut pecahan yang tepat dari bhagaṇa-aṃśa, diperoleh bhuja-jyā dan koṭi-jyā.
Sanatkumara (in instruction to Narada on technical/Vedanga-style computation)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
FAQs
It frames precise calculation (sphuṭa—true value) as part of dharmic knowledge: correct measures and truthful computation support right ritual timing and disciplined practice, which in turn aids the pursuit of mokṣa.
Indirectly: by emphasizing accurate determination of values used in calendrical/astronomical contexts, it supports proper observance of vows and sacred timings (which are often dedicated to Viṣṇu-bhakti), ensuring devotion is practiced with correctness and steadiness.
Vedāṅga Jyotiṣa/Gaṇita: handling positive/negative results (dhana/ṛṇa), applying correction to obtain sphuṭa values, and computing bhujajyā and koṭijyā (sine components) via division by a bhagaṇa-aṃśa factor.