Bhāskara II
Siddhānta Śiromaṇi (Sanskrit: सिद्धान्त शिरोमणि for "Crown of treatises") is the major treatise of Indian mathematician Bhāskara II. He wrote the "Siddhānta Śiromaṇi" in 1150 when he was 36 years old. The work is composed in Sanskrit Language in 1450 verses.