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 Re: سحاق تيموليت ومثلية دافنشي واللغة الماعون: محنة أرانب فيبوناسي ضاحكة وغير ضاحكة (Re: Mohamed E. Seliaman)
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THE FIBONACCI SERIES
No consideration of the Golden Proportion can be complete without mention of the Fibonacci Series which is the complementary view of the Golden Proportion. These numbers are also abundant in the beauty of nature and teeth.
Definition
In this series of numbers each term is the sum of the previous two terms as follows:
0
1
1
2
3
5
8
13
21
34
55
89
etc.
It is called the Fibonacci series after Leonardo of Pisa or (Filius Bonacci), alias Leonardo Fibonacci, born in 1175, whose great book The Liber Abaci (1202) , on arithmetic, was a standard work for 200 years and is still considered the best book written on arithmetic. It was the principal means of demonstrating and introducing the enormous advantages of the Hindu Arabic system of numeration over the Roman System. Leonardo's reputation amongst scholars was deservedly great. It was so outstanding that King Frederick II, visiting Pisa in 1225, held a public competition in mathematics to test Leonardo's skill and he was the only one able to answer the questions (Huntley 15
One of the most spectacular examples of the Fibonacci Series in nature is in the head of the sunflower.
Scientists have measured the number of spirals in the sunflower head. They found, not only one set of short spirals going clockwise from the centre, but also another set of longer spirals going anti clockwise, These two beautiful sinuous spirals of the sun flower head reveal the astonishing double connection with the Fibonacci series,
كاملا هنا:http://www.goldenmeangauge.co.uk/fibonacci.htm
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Mohamed E. Seliaman
فيصل نوبي
فيس بوك
تويتر
انستقرام
يوتيوب
بنتيريست