Govindasvamin was a 9th century India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

n mathematician

Mathematician

A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....

 who gave the fractional part

Fractional part

All real numbers can be written in the form n + r where n is an integer and the remaining fractional part r is a nonnegative real number less than one...

s of the Aryabhata

Aryabhata

Aryabhata was the first in the line of great mathematician-astronomers from the classical age of Indian mathematics and Indian astronomy...

's tabular sine

Sine

In mathematics, the sine function is a function of an angle. In a right triangle, sine gives the ratio of the length of the side opposite to an angle to the length of the hypotenuse.Sine is usually listed first amongst the trigonometric functions....

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Govindaswamin who wrote commentary on mahabhaskariya of BHASKARA 1 belonged to Kerala in mahodayapuram. His work govindakriti was a sequel to Aryabhatiya and is lost. His works have been quoted extensively by Sankaranarayana

Śaṅkaranārāyaṇa

Śaṅkaranārāyaṇa was an Indian astronomer and mathematician in the court of King Sthanu Ravi Varman of the Kulasekhara dynasty in Kerala. He is believed to have established the first astronomical observatory in India at Kodungallur in Kerala...

(869 AD) and Udayadivakara (1073 AD) AND Nilakantha.