Fibonacci_1

Fibonacci

1. Life

   • he was a writer, he wrote 6 books one named Libre Arcid
   • Real name Leonardo Pisano
   • Born 1170 Dyed 1250
   • There is a statue of him in Italy
   • He could speak German
   • Father was an Italian merchant

2. ways to find the next Fibonacci number

   • golden ratio
     • 1.618
       • Last fibonacci number multiplied by the golden ratio gives you the next fibonacci number
       • the symbole
     • the last 2 fibonacci numbers added together
       • Fibonacci spiral

3. how to reconise if a number is a Fibonacci number

   • you can tell by an equasion
     • 5 N^2 + 4 or 5N^2 – 4
       • N+ the number you are testing
         • product must be a perfect square for n to be a Fibonacci number
     • or the triangle
       • Fibonacci triangle
       • Pascales triangle

4. Intersting facts

   • He tested his theory with rabbits
   • His pattern is used on wall street to make money
   • He spread the use of numbers like 1,2 and 3 instead of using roman numeals
     • NOT
     • 1,2,3 is used for arabic and hindu numbers.
     • He spreaded it through Europe most of the world used the other system at the time
   • He did not discover the pattern first it was known in India for hundreds of years before his time

5. His pattern appears through nature

   • It's in many living things DNA
     • In plants
     • In humans
     • In shells
     • In animals
     • It is in DNA because of the re-produuction cycle

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