Pascal's Triangle

Pascal's triangle

[pa′skalz ′trī‚aŋ·gəl]

(mathematics)

A triangular array of the binomial coefficients, bordered by ones, where the sum of two adjacent entries from a row equals the entry in the next row directly below. Also known as binomial array.

Pascal’s Triangle

 

a triangular array of numbers used to obtain binomial coefficients. It was published by B. Pascal.