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

238 Fig. 38 plane of the meridian - where E₁ is the centre of the sphere. (4) The fourth latitudinal triangle is E₁ S₁ F₁ the projection of ESF (Fig. 21) on the meridian plane where E₁ F₁ is the Sama-Sanku or the Sanku of the celestial body when it is on the prime vertical. E₁ S₁ is the Agrajyā as mentioned, S₁ F₁ is what is called Taddṛti. (5) The fifth latitudinal triangle is E₁ B₁ F₁ where E₁ B₁ is Krāntijyā or H sin δ, E₁ F₁ is the Sama- Sanku defined above and B₁ F₁ is what is called the higher segment of the Taddṛti which is equal to Taddṛti minus Kujyā or Kshitijyā. (6) The sixth latitudinal triangle is E₁ D₁ B₁ where E₁ D₁ is called the first segment of Agrajyā, D₁ B₁ is what is called un-mandala Sanku or H cos z of the celestial body when it is on the unmandala or the Equatorial horizon and E₁ B₁ Krāntijyā.