Narada Purana — Purva Bhaga, Shloka 48
Jyotiṣa-śāstra Saṅgraha: Threefold Division, Gaṇita Methods, Muhūrta, and Planetary Reckoning
द्विघ्नं जीवाथ जीवार्द्धवर्गे शरहृते युते । व्यासोष्टतेभवेदेवं प्रोक्तं गणितकोविदैः ॥ ४८ ॥
dvighnaṃ jīvātha jīvārddhavarge śarahṛte yute | vyāsoṣṭatebhavedevaṃ proktaṃ gaṇitakovidaiḥ || 48 ||
“First double the quantity called jīva; then add it to the square of half of jīva, and also add the amount obtained after subtracting five. In this way the result becomes ‘twenty‑eight’,” thus have the masters of mathematics declared.
Sanatkumara (teaching Narada in a technical/vedāṅga-style exposition)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
FAQs
It shows that Moksha-Dharma teaching in the Narada Purana also preserves śāstric disciplines like gaṇita—training the mind in precision, pramāṇa (valid measurement), and disciplined reasoning that supports higher inquiry.
This specific verse is not a bhakti instruction; it is a technical gaṇita rule. In the wider Narada–Sanatkumara dialogue, such disciplines function as supportive knowledge, while devotion to Vishnu remains the primary liberating path.
Gaṇita-style computation using symbolic numerals (e.g., śara = 5) and algebraic operations (doubling, squaring, adding/subtracting) is highlighted—useful for calendrics, astronomy (jyotiṣa), and ritual measurements.