Fibonacci, Leonardo
Pronunciation: /ˌfɪbəˈnɑːtʃi/
- (circa 1170-circa 1250), Italian mathematician; known as Fibonacci of Pisa. Fibonacci popularized the use of the ‘new’ Arabic numerals in Europe. He made many original contributions in complex calculations, algebra, and geometry, and pioneered number theory and indeterminate analysis, discovering the Fibonacci series.