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November 23, 2019

## 1, 1, 2, 3: It's Fibonacci Day!

Today's date, November 23, can be represented as 11/23, or 1, 1, 2, 3—the beginning of the Fibonacci sequence of numbers. Likewise, as the leaves on the Queen Victoria agave in today's image spiral out from the center, they also express the Fibonacci sequence. This unique sequence of numbers was introduced to Europe in 1202 by the Italian mathematician Leonardo of Pisa (posthumously named Fibonacci) in his revolutionary work, the 'Liber Abaci.' The book begins by describing the Hindu-Arabic numeral system or 'Modus Indorum’—0 1 2 3 4 5 6 7 8 9—and shows how its application could simplify trade and make calculations faster and easier (most of Europe at this time used Roman numerals).

In the third section of his book, Fibonacci goes on to describe various mathematical problems, including a thought experiment about increasing rabbit populations that results in the Fibonacci sequence. The sequence is determined by adding the previous two numbers together to establish the next number: 1, 1, 2, 3, 5, 8, 13, 21, 34, etc. Since then, mathematicians, scientists, and artists have been studying and applying the Fibonacci sequence and the Fibonacci numbers that make it up. While Fibonacci gets the credit for describing the number sequence, he wasn't the first to discover it. Research published in 1985 posits that ancient Indian mathematicians had been aware of and wrote about the sequence more than a thousand years before Fibonacci's work.

## 當日報價

?Without mathematics, there's nothing you can do. Everything around you is mathematics. Everything around you is numbers.?
Shakuntala Devi

1. ## Fibonacci number - Wikipedia

https://en.wikipedia.org/wiki/Fibonacci_number翻譯此頁
• In mathematics, the Fibonacci numbers, commonly denoted Fn form a sequence, called the Fibonacci sequence, such that each number is the sum of the two preceding ones, starting from 0 and 1. That is, F 0 = 0, F 1 = 1, {\displaystyle F_{0}=0,\quad F_{1}=1,} and F n = F n ? 1 + F n ? 2, {\displaystyle F_{n}=F_{n-1}+F_{n-2},} for n > 1. One has F2 = 1. In some books, and particularly in old ones, F0, the "0" is omitted, and the Fibonacci sequence starts with F1 = F2 = 1. The beginning of...
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2. ## Elliot Wave & Fibonacci Numbers-Practical Application ll ...

Dec 06, 2019 · Elliot Wave & Fibonacci Numbers-Practical Application is done in this video, based on the very popular tools used in the share market. Let's Understand with an example in a very simple manner.

• 作者: IFMC Institute
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3. Fibonacci series
名詞
Fibonacci numbers (復數名詞)
1. a series of numbers in which each number (Fibonacci number) is the sum of the two preceding numbers. The simplest is the series 1, 1, 2, 3, 5, 8, etc.
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更多信息Fibonacci series
What are the first 10 Fibonacci numbers?
The first ten numbers in the Fibonacci Sequence are: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34. Fibonacci numbers also appear in many aspects of nature such as the arrangement of leaves on a stem and the branching of trees.
What is the sequence of Fibonacci numbers?
The Fibonacci sequence is a sequence of numbers in which each successive number in the sequence is obtained by adding the two previous numbers in the sequence. The sequence is named after the Italian mathematician Fibonacci. The sequence starts with zero and one, and proceeds forth as 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55 and so on.
www.techopedia.com/definition/15823/fibonacci-sequence
Why are Fibonacci numbers interesting?
These numbers have become important pivotal points when analyzing retracement of a trend. The Fibonacci numbers are the crucial numbers for the Elliott wave analysis. They play a major role in analyzing the way you think and how your emotions play a role in your investment decisions.
How to determine the largest Fibonacci number?
If you need to find the largest Fibonacci number that is less than a certain number N, you can also use the rounding calculation: phi^n / sqrt(5) < N which gives you: n < log(N x sqrt(5)) / log(phi) Then you can calculate the right hand side part for your chosen N, round it down to find n, and calculate the corresponding Fibonacci number with:
stackoverflow.com/questions/13492807/how-to-determin…
5. ## Nivetha Thomas (@i_nivethathomas) | Twitter

1 天前 · The latest Tweets from Nivetha Thomas (@i_nivethathomas). Actor . Architect. Chennai, India

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6. ## E-mini NASDAQ-100 Index (NQ) Futures Technical Analysis ...

https://finance.yahoo.com/news/e-mini-nasdaq-100-index-104954085.html翻譯此頁

Dec 06, 2019 · Based on the early price action, the direction of the December E-mini NASDAQ-100 Index on Friday is likely to be determined by trader reaction to the short-term Fibonacci level at 8347.75.

7. ## ON THIS DAY: December 6, 2019 | Flowers For Socrates

https://flowersforsocrates.com/2019/12/06/on-this-day-december-6-2019翻譯此頁

Dec 06, 2019 · 1534 – Sebastián de Belalcázar’s band of settlers founds the city of Quito in Ecuador. 1586 – Niccolò Zucchi born, Italian Jesuit, astronomer and physicist, known as one of the first to see the belts on the planet Jupiter, and for using a curved mirror instead of a lens in a telescope, a very early reflecting telescope