// minds behind maths
Madhava of Sangamagrama
c. 1340–1425 CE · Mathematical analysis
Founder of the Kerala school of astronomy and mathematics. He discovered infinite series expansions for sine, cosine and the arctangent — including a series for pi — anticipating key results of mathematical analysis by roughly three centuries.
Source: MacTutor — Madhava
Calculators linking to Madhava of Sangamagrama will appear here as their formulas are added.