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Fibonacci Sequence, Ratios and Retracements

  The Fibonacci sequence was discovered by Leonardo Fibonacci da Pisa. In the year 1202, he wrote a book called “Liber Abaci” which introduced the sequence to Western European mathematics. The Fibonacci sequence is a series of numbers: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144 and on to infinity. The formula for the Fibonacci …

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