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

549 45. Karṇāgrajyā or : The Hindu sine Agrajyā multiplied by K, simply Karṇāgrā and divided by R where K is the hypotenuse of the gnomonic triangle whose two sides are the gnomon and its shadow and R the radius of the celestial sphere taken to be 3438 units. 46. Kendra : The centre of a circle. 47. Ketu : The diametrically opposite point of Rāhu. Rāhu also means the circular section of the earth’s shadow at the Moon. 48. Kha-Svastika : The Zenith at a place. 49. Koṭijyā : Hindu Cosine of an angle. 50. Krānti or Apama: The declination of a point on the ecliptic. 51. Krānti-Vṛttam : Ecliptic. 52. Kṛtayuga : Four times the period of a Kaliyuga. 53. Kṣayamāsa : That lunar month in which there are two Saṁkramaṇas. 54. Kṣitija : The Horizon at a place. 55. Kujyā : The Hindu sine measured in the diurnal circle corresponding to the Carajyā defined above. 56. Lagna : The Rāśi which rises at any moment or the rising point of the ecliptic. 57. Lambajyā : The Hindu Cosine of the latitude. 58. Lambana : Parallax in longitude. 59. Mahāyuga : The Sum of the four yugas mentioned above. 60. Manvantara : A period equal to 71 Mahāyugas.