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Friday, 30 January 2015

Fibonacci

Fibonacci was the name given to medieval Italian mathematician Leonardo Bonacci also known as Leonardo of Pisa, who was born in 1175 and died around 1250.

The name came from a misreading of "filius Bonacci" (son of Bonaccio) on a manuscript.

19th century statue of Fibonacci in Camposanto, Pisa. By Hans-Peter Postel 

The Fibonacci sequence, begins 1,1,2,3,5,8 with each number equal to the sum of the previous two.

Fibonacci introduced the Fibonacci sequence in a discussion of a problem about breeding rabbits.

Fibonacci numbers play a part in describing many natural processes, particularly in the field of botany.

The number of petals on a daisy is always a Fibonacci number, with 21, 34 or 55 most common.

A game for two called Fibonacci, played on a hexagonal board, was invented by Thomas Naylor in 1990.

The last year that was a Fibonacci number was 1597. The next one will be 2584.

Now best known for his sequence, Fibonacci's real claim to fame is the major part he played in introducing the numbers we now use to replace Roman numerals. He did so in his Liber Abaci (Book Of Calculation) in 1202.

A page of Fibonacci's Liber Abaci from the Biblioteca Nazionale di Firenze

Source Daily Express

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