Word of the Week for the week of November 20, 2016

Fibonacci sequence

[fi-buh-NA-chee SI-kwens]

Meaning & Usage

noun mathematical description of a shape that repeats with regular, mathematical precision in nature.

...it follows the Fibonacci sequence, what they call "nature's numbering system." In da Vinci's time, it was thought to represent the perfect proportions that artists and architects would strive to follow to create harmony in line and drawing.


Leaonardo of Pisa (c. 1175-1220), or Leanardo Pisana, in Italian, was known as the "greatest mathematician in Europe," now known as Fibonacci, short for filius Bonacci, or son of Bonaccio. He was one of the first people to introduce the Hindu-Arabic number system into Europe - the positional system we use today - based on ten digits with its decimal point and a symbol for zero: 1 2 3 4 5 6 7 8 9 0

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