What did Fibonacci's Liber Abaci introduce to Europe?

Written in 1202 by Leonardo of Pisa, also known as Fibonacci, Liber Abaci is a foundational Latin work on arithmetic. The book is most famous for introducing base-10 positional notation and Arabic numerals to Europe, as well as featuring the famous sequence of numbers that bears his name.

What we know

• Liber Abaci, or The Book of Calculation, is a 1202 Latin work on arithmetic by Leonardo of Pisa, posthumously known as Fibonacci. [2, 3]
• The work is primarily famous for introducing base-10 positional notation and Arabic numerals to Europe. [2, 3]
• Fibonacci used the sequence of numbers now known as the Fibonacci sequence as an example within Liber Abaci. [3, 4]

Where to go next

• whoWho was Leonardo of Pisa?
• how it workedHow does the Fibonacci sequence work?
• how we knowWhere else do Fibonacci numbers appear in nature?
• the bigger pictureWhat is recreational mathematics?
• compared withWhat are Lucas numbers?
• an unexpected connectionHow are Sanskrit poetry patterns related to Western math?The numbers popularized in medieval Europe by Fibonacci were actually described centuries earlier in ancient Indian work on enumerating patterns of Sanskrit poetry.

Sources

• [1]Liber Abaci (Wikidata Q2044496) · CC0 1.0
• [2]Liber Abaci · CC BY-SA 4.0
• [3]Fibonacci · CC BY-SA 4.0
• [4]Fibonacci sequence · CC BY-SA 4.0
• [5]Recreational mathematics · CC BY-SA 4.0