Jyotiṣa-śāstra Saṅgraha: Threefold Division, Gaṇita Methods, Muhūrta, and Planetary Reckoning
व्यासध्नं प्रभजेद्विप्र ज्या काशं जायते स्फुटा । ज्यांघ्रीषुध्नोवृत्तवर्गोबग्धिघ्नव्यासाढ्यमौर्विहृत् ॥ ५० ॥
vyāsadhnaṃ prabhajedvipra jyā kāśaṃ jāyate sphuṭā | jyāṃghrīṣudhnovṛttavargobagdhighnavyāsāḍhyamaurvihṛt || 50 ||
Hỡi bà-la-môn, hãy chia đường kính; từ đó dây cung (jyā) sẽ hiện rõ. Nhờ dây cung và các lượng liên hệ—vận dụng vòng tròn, bình phương (các độ đo) và đường kính—mà xác định kết quả cần tìm theo quy tắc của dây cung (jyā).
Sanatkumara (teaching Narada technical auxiliary knowledge in the Moksha-Dharma context)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
It shows that even practical sciences (like measurement and computation) can be taught as supportive knowledge—disciplined clarity of intellect serving dharma and ultimately aiding the seeker’s steadiness on the path to liberation.
Indirectly: it emphasizes precision, method, and disciplined learning—qualities that, when turned toward worship and scriptural practice, strengthen bhakti through correct understanding and right application of teachings.
A technical computational method using jyā (chord), diameter, and square-measure ideas—aligned with traditional Indian mathematical/astronomical procedures that support calendrics, ritual timing, and related Vedic applications.