Indeed, the person we call Fibonacci was actually named Leonardo of Pisa, and these numbers appear in his book "Liber Abaci," which taught the Western world the methods of arithmetic that we use today.
Orang yang dikenali sebagai Fibonacci sebenarnya bernama Leonardo of Pisa, nombor-nombor ini diterangkan  dalam buku "Liber Abaci", di mana dunia Barat telah diajar kaedah aritmetik yang digunakan sekarang.