13 Facts About Leonardo Fibonacci

Fibonacci, known as Leonardo Bonacci, Leonardo of Pisa, or Leonardo Bigollo Pisano, was an Italian mathematician from the Republic of Pisa, considered to be "the most talented Western mathematician of the Middle Ages".

Name he is commonly called, Leonardo Fibonacci, was made up in 1838 by the Franco-Italian historian Guillaume Libri and is short for .

Leonardo Fibonacci popularized the Indo–Arabic numeral system in the Western world primarily through his composition in 1202 of Liber Abaci .

Leonardo Fibonacci introduced Europe to the sequence of Fibonacci numbers, which he used as an example in Liber Abaci.

Leonardo Fibonacci was born around 1170 to Guglielmo, an Italian merchant and customs official.

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Leonardo Fibonacci travelled with him as a young boy, and it was in Bugia where he was educated that he learned about the Hindu–Arabic numeral system.

Leonardo Fibonacci travelled around the Mediterranean coast, meeting with many merchants and learning about their systems of doing arithmetic.

Leonardo Fibonacci soon realised the many advantages of the Hindu-Arabic system, which, unlike the Roman numerals used at the time, allowed easy calculation using a place-value system.

Leonardo Fibonacci was a guest of Emperor Frederick II, who enjoyed mathematics and science.

In 1240, the Republic of Pisa honored Fibonacci by granting him a salary in a decree that recognized him for the services that he had given to the city as an advisor on matters of accounting and instruction to citizens.

Leonardo Fibonacci is thought to have died between 1240 and 1250, in Pisa.

Leonardo Fibonacci carried the calculation up to the thirteenth place, the value 233, though another manuscript carries it to the next place, the value 377.

Leonardo Fibonacci did not speak about the golden ratio as the limit of the ratio of consecutive numbers in this sequence.