from Redwood City, CA
1170
Died:1250
Known for:Fibonacci number
Introduction of Hindu–Arabic numeral system digital notation to Europe
Guglielmo Bonacci
Mathematician
Business category:Mathematicians
Demography
Bookkeeping
Leonardo Pisano Bigollo (c. 1170 c. 1250) also known as Leonardo of Pisa, Leonardo Pisano, Leonardo Bonacci, Leonardo Fibonacci, or, most commonly, ...