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

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22. Chāyākoṭi : The perpendicular from the extremity of
a shadow on the east-west line.
23. Dhruva : The star near the celestial pole or the
celestial pole itself.
24. Dhruvaka : The celestial longitude.
25. Dhruva- : The declination circle.
protavṛttam
26. Digjyā : The Hindu sine of the azimuth measured
by the angle between the prime vertical
and the vertical of a star or a planet.
27. Dorjyā or : Hindu sine of celestial longitude.
Bhujajyā
28. Dṛgjyā : The Hindu sine of the Zenith distance.
29. Dṛg-lambana : Total parallax.
30. Dvāparayuga : Twice the period of a kaliyuga.
31. Dyujyā : The Hindu cosine of declination or the
radius of the diurnal circle taking the
radius of the celestial equator to be R
equal to 3438 units.
32. Dyujyā-vṛtta or : The diurnal circle of a star or a planet.
Ahorātra-vṛtta
33. Ghaṭi or Nāḍi : An interval of time equal to 24.' (minutes)
34. Grahaṇa : Eclipse.
35. Hṛti or Iṣṭahṛti : The Hindu sine of the arc of the diurnal
circle from a point of the same upto the
plane of the horizon.
36. Kadamba : Pole of the ecliptic.
37. Kadamba- : A secondary to the ecliptic through a star
protavṛtta or planet.