Rahmanujan.
budhayana
The mathematician William Jones first used the Greek letter pi in 1706. In 1707, the great mathematician Euler popularized it.
Srinivasa Ramanujan.
William Shanks
Isac Newton
James steven. pi = c/d
Rahmanujan.
While many theorize that the concept of pi has existed since the Ancient Egyptian Empire, the first 'modern' mathematician to calculate pi with any large degree of accuracy (and record his work) was Archimedes of Ancient Greece.
Archimedes was the first Western mathematician to make a serious attempt at calculating the value of pi. His estimated, that pi was between 3.1408 and 3.1429.
Pi was first computed by the Greek philosopher and mathematician Archimedes.
Srinivasa Ramanujan
budhayana
budhayana
brahmagupta
The mathematician William Jones first used the Greek letter pi in 1706. In 1707, the great mathematician Euler popularized it.
Ramanujan