Fibonacci
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Leonardo Pisano Bigollo (c. 1170-1250), also known as Fibonacci,[1] was an Italian mathematician during the Middle Ages.[2]
Fibonacci number sequence [change]
Fibbonacci is best known for the list of numbers called the Fibonacci Sequence. The list never stops, but it starts this way:
1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, ...
In this list, a person can find the next number by adding the last two numbers together.
1 + 1 = 2
1 + 2 = 3
2 + 3 = 5
3 + 5 = 8
5 + 8 = 13
8 + 13 = 21
13 + 21 = 34
21 + 34 = 55
34 + 55 = 89
55 + 89 = 144
89 + 144 = 233
144 + 233 = 377
233 + 377 = 610
377 + 610 = 987
610 + 987 = 1597
987 + 1597 = 2584
etc...
This series is also interesting because the ratio of two adjacent numbers in the series approaches the golden ratio.[3]
References [change]
- ↑ This mathematician is also known as Leonardo Pisano, Leonardo Bonacci, Leonardo Fibonacci and Leonardo of Pisa.
- ↑ "The Fibonacci Series - Biographies - Leonardo Fibonacci (ca.1175 - ca.1240)". Library.thinkquest.org. http://library.thinkquest.org/27890/biographies1.html. Retrieved 2010-08-02.
- ↑ Livio, Mario. (2003). The Golden Ratio: The Story of Phi, the World's Most Astonishing Number, pp. 96-97.
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