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Fibonacci, also called Leonardo Pisano. (born c. Pisa, Italy in 1170 and died after 1240),  medieval 

Italian mathematician who wrote 

Liber abaci (1202; “Book of the Abacus”), the first European work on Indian and Arabian mathematics.

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Fibonacci, also called Leonardo Pisano. (born c. Pisa, Italy in 1170 and died after 1240),  medieval Italian mathematician who wrote 

Liber abaci (1202; “Book of the Abacus”), the first European work on Indian and Arabian mathematics.

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