Author
- Mādhava1
- Nasir al-Din al-Tusi1
- Omar Khayyám1
- Parashara1
- Paul of Venice1
- Porphyry1
- Qāz̤ī Muḥammad Aʻlá1
- Rukn ibn Sharaf al-Dīn Āmulī1
- Rāma Daivajña1
- Safi al-Din al-Urmawi1
- Shaʻbān al-āthārī1
- Sirāj al-Dīn Abū Ḥafṣ ʻUmar Ibn al-Wardī1
- Somayāji Rāmacandra1
- Srinatha1
- Sylvester II1
- Trimallabhaṭṭa1
- Viṭṭhaladīkṣita1
- Werner Rolevinck1
- William Bourne1
- William of Conches1