**
Leonardo
Pisano**

**
Born: 1170 in (probably) Pisa (now in Italy)
Died: 1250 in (possibly) Pisa (now in Italy)**

Leonardo Pisano is
better known by his nickname Fibonacci ---
*filius Bonacci.*

Leonardo
Pisano was born around 1175 in what is now
Pisa, Italy.
His nickname, Fibonacci*, means "*filius Bonacci*" or "*son of Bonacci*".

His father, Guilielmo Bonacci, was a diplomat representing the Republic of Pisa in Bugia, a Mediterranean port in Northeastern Algeria. Fibonacci traveled extensively with his father and he was educated in North Africa. Through his travels, Fibonacci was exposed to many different arithmetic systems, but he saw particular advantages to the Hindu-Arabic numerals and decimal positional system.

After
returning to
Pisa,
Fibonacci wrote several books: * Liber abbaci *(1202),

* Liber
abbaci*,
meaning "

Fibonacci was one of the greatest mathematicians of the 12th and 13th centuries. He made significant contributions to mathematics through his own discoveries, and was instrumental in the revival of mathematical learning in Europe following the Dark Ages.

Educated in North
Africa. Known for spreading the use of the Hindu-Arabic numerals Texts: *
Liber abbaci* (1202), *
Practica geometriae *(1220), *
Flos* (1225), and *
Liber quadratorum* (1225). and his
rabbit problem.

*"A
certain man put a pair of rabbits in a place surrounded on all sides by a wall.
How many pairs of rabbits can be produced from that pair in a year if it is
supposed that every month each pair begets a new pair which from the second
month on becomes productive?* "

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