Aryabhata is one of the greatest scientists of ancient India. He was born in 476 AD at Pataliputra (now Patna) in Bihar. Not much is known about his family background, life and education. He was an astronomer and one of the earliest mathematicians.

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**About Aryabhata Works**

- Aryabhata is one of the first known mathematicians who used algebra.
- Most of his work is related to astronomy.
- Aryabhata taught mathematics and astronomy.
- He carried out research on the motion of heavenly bodies and mathematics.

**Contribution of Aryabhatta in Mathematics**

- He stated many rules in different branches of mathematics like
**arithmetic**and**algebra**. - He made many new observations in geometry.
**Trigonometry**: Aryabhata’s area of a triangle is mentioned in Ganitapada 6.**Value of pi (1)**: He also calculated the value of pi (1) correct up to four decimal places (equal to 3.1414).- Place value system and
**zero**

**Contribution of Aryabhata in Astronomy**

- At the time of Aryabhata, it was believed that the sun, stars and other heavenly bodies revolve around the earth. It was Aryabhata who stated that the rotation of the heavenly bodies, as observed by us is due to the
**rotation of the earth around its axis.** - He also established that the
**lunar and solar eclipses**were caused due to the shadows of the earth and the moon, respectively. **Heliocentrism**

**Two important books of Aryabhata**

Aryabhata wrote two important books – Aryabhatiya and Aryabhatasidhanto.

- In his book
**Aryabhatiya**, Aryabhata has summarized mathematics, as known at that time, in 499 verse couplets or slokas. - The book
**Aryabhatasidhanta**was a handbook for day-to-day astronomical calculations. Some of these astronomical calculations are used even today for preparing almanacs (panchangs).

**Aryabhatta Death**

Aryabhata died at the age of 75 years in 550 AD in India. However his actual place of death is uncertain.