Mathematician and Astronomer (5th century C.E).

Born in Kusumapura or Pataliputra (Now Patna).

Studied in Nalanda University, Patna.

Gupta Era.

He was the head of an institution (Kulpati) at Kusumpura.

Invented Zero and place value system

Discovered approximate value of pi (π) - 3.1416.

Wrote ‘Aryabhatiya' in 499 C.E on Astronomy, Arithmetic, Algebra and Trigonometry.

Another work ‘Arya-Siddhantha’ (Astronomical work).

First mathematician to give the ‘Table of sines’.

Discovered the causes of lunar and solar eclipses.

Discovered that earth rotates in its own axis and that day and night are caused by this rotation and the sun is stationary and the earth rotates.

Moon is dark by itself and shines only because of sunlight.

Concluded that the moon is dark and shines because of the light of sun.

Major works on Arithmetic, Algebra, Trigonometry, Continued fraction, series, sines, π, Indeterminate Equations, Planets and Orbits in astronomy, motion of the solar system, Eclipses.

In honour to him, India's first satellite is named after Aryabhatta.

Through the translated Latin version (13th Century), European mathematicians learned about Indian Mathematics.