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

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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.