Born in Pisa in the second half of the 12th century, Leonardo Fibonacci was initially educated in North Africa, where his father held an important diplomatic post. There was also his first contact with mathematics. The lessons learned from the region of present-day Algeria and further development in Europe and the countries of the East meant that Italian He himself entered the history of this science.

## Fibonacci. Universe and its mystery

Fibonacci is a private author Paywhere each consecutive number is the sum of the previous two numbers. Assuming that the sequence begins with the numbers 0 and 1, it looks like this: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, and so on. .

Why is this sequence so important? According to Plato, the golden number denoted by the Greek letter φ is approximately 1.61804 which explains the mystery of the universe. How does this relate to the Fibonacci sequence? The golden ratio is the ratio of one element in a series to the previous element. The more items we choose, the more accuracy we get. We can get each successive element of the series by multiplying the original element by the golden ratio.

## Fibonacci sequence in everyday life

This fact is important because the golden number appears a lot in our daily life. The first example is plants. They set shoots at an angle of 13.5 degrees from the previous shoots. Thus, we are dealing with a golden angle containing the Fibonacci sequence. The clearest manifestation of the presence of the golden ratio in nature are, for example, shells, the shape of which follows the path of the so-called Fibonacci spiral.

Where else can we call the Fibonacci sequence? The shape of the spiral or the relationship between them Preparation You can note, among others for example bees, or even the structure of our DNA. The Fibonacci sequence is also used in the stock market to determine when the price direction is changing.

During this year’s celebration, the US National Security Agency (NSA) noted that Fibonacci Day reminds us of patterns that operate naturally around us. At the same time, the NSA announced that it is looking for analysts whose job it is to find anomalies found in the above patterns.

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## Fibonacci day. Why do we celebrate November 23?

We celebrate Fibonacci Day every year on November 23 for a simple reason. By writing the date in the American system – the first month, then the day – we get the beginning of the Fibonacci sequence.

At the same time, we would like to remind you that a public referendum organized by the Technology Awards 2021 is underway, in which the best smartphones, TVs, games and other new technologies are selected. There are special prizes for voting!

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