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

547 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.