सिद्धान्तशिरोमणि: गणिताध्याय (भास्कराचार्य - ग्रहगणित, मध्यमाधिकार व स्पष्टाधिकार सटीक)

546 9 Asta : Setting or heliacal setting. 10. Ayanabindu : Solstice. 11. Ayana-Dṛkkarma: The arc of the ecliptic intercepted between its point of intersection with the star's declination circle and the secondary to the ecliptic through the star. 12. Ayanāṁśam : The arc of the ecliptic in between the vernal equinoctial point and the Hindu zero of the ecliptic ie the first point of the Zodiacal sign called Aśvinī. 13. Ayanavalanam : The angle at the point of a star, between its declination circle and the secondary to the ecliptic through the star. 14. Bārhaspatyamāna: The time taken by Jupiter to reside in a Rāśi, on the average, is called a jovian year. This falls short of a solar year. 15. Bhāga : A degree 16. Cāpa or : Arc. Kārmuka 17. Carajyā . : The Hindu sine of the arc intercepted between the east point and the declination circle of a rising star or planet or the Sun. 18. Cāndra-māsa : The time between two consecutive full- moons or New moons. 19. Chāyā or Bhā : Shadow cast by the gnomon. 20. Chāyābhuja : The projection of the shadow on the east- west line. 21. Chāyākarṇa or : The hypotenuse of the gnomonic triangle Bhākarṇa whose two sides are the gnomon and its shadow.