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

553 102. Yāmyottara- : The Hindu sine of the Altitude of a saṁku or Celestial body situated on the meridian. Dinārdha-Śaṅku 103. Yāmyottaravṛtta : The meridian at a place. 104. Yaṣṭi : R² - Ayanavalanajā² Yaṣṭi has also another meaning namely the length of the perpendicular from a point on the diurnal circle on the plane parallel to the plane of the horizon through the point of intersection of the diurnal circle with the unmaṇḍala. 105. Yoga : The time which elapses when the sum of the longitudes of the Sun and the Moon to increase by 13¹⁄₃º starting from zero. 106. Yuti : Conjunction.