Pascal's triangle

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The Pascal's triangle is a convenient tabular presentation for the binomial coefficients. Already known in the 11th century[1], it was adopted in Western world under this name after Blaise Pascal published his Traité du triangle arithmétique ("Treatise on the Arithmetical Triangle") in 1654.

References

  1. Abu Bekr ibn Muhammad ibn al-Husayn Al-Karaji, School of Mathematics and Statistics, University of St Andrews. Consulted 2005-09-03.