Halayudha
Overview
 
Halayudha was a 10th 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 wrote the , a commentary
Close reading
Close reading describes, in literary criticism, the careful, sustained interpretation of a brief passage of text. Such a reading places great emphasis on the particular over the general, paying close attention to individual words, syntax, and the order in which sentences and ideas unfold as they...

 on Pingala
Pingala
Pingala is the traditional name of the author of the ' , the earliest known Sanskrit treatise on prosody.Nothing is known about Piṅgala himself...

's Chandah-shastra, containing a clear description of Pascal's triangle
Pascal's triangle
In mathematics, Pascal's triangle is a triangular array of the binomial coefficients in a triangle. It is named after the French mathematician, Blaise Pascal...

(called meru-prastaara).
 
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