## Wednesday, 19 January 2011

### Fibonacci sequence

Fibonacci was a mathematician living in the 12th century who asked the question how many rabbits could a pair of rabbits produce in one year, his calculations went on to be known as the Fibonacci numbers or sequence, The order goes as follows: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144 and on to infinity. As you add the first two numbers you make the third and so on in a mathematical sequence. The ratio between the numbers (1.618034) is frequently called the golden ratio or golden number.

If the two smallest squares have a width and height of 1, then the box to their left has measurements of 2. The other boxes measure 3, 5, 8 and 13.

The patterns demonstrating the golden ratio can be best seen in the centre of sunflowers, pinecones and cauliflowers.

http://science.howstuffworks.com/environmental/life/evolution/fibonacci-nature1.htm

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