Fibonacci, also known as Leonardo of Pisa, formally introduced the sequence to Western mathematics in his 1202 book Liber Abaci (Book of Calculation). The sequence begins with 0 and 1, with each ...

His book, Liber Abaci, popularized the sequence and helped replace Roman numerals with the more efficient Hindu-Arabic number system. Beyond mathematics, Fibonacci's work has influenced fields ...

Fibonacci explained his findings in a book called Liber Abaci, published in 1202, which had a section devoted to the intriguing sequence which would be named after him hundreds of years later.