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Leonardo of Pisa c. 1170–1250. Who was Fibonacci?. He was a mathematician who was born in Pisa, Italy. He was also known as Leonardo Fibonacci. In addition to being famous for the Fibonacci sequence, he also published a book called Liber Abaci , or Book of Calculation.
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He was a mathematician who was born in Pisa, Italy. He was also known as Leonardo Fibonacci. In addition to being famous for the Fibonacci sequence, he also published a book called Liber Abaci, or Book of Calculation.
His book, Liber Abaci, or Book of Calculation, describes the rules we all now learn in elementary school for adding numbers, subtracting, multiplying and dividing.He was one of the first people to introduce the Hindu-Arabic number system into Europe. This is based on ten digits with its decimal point and a symbol for zero.