Bill and Jill
what is Fibonacci's kids named Fred and bob
Leonardo Fibonacci
Leonardo Fibonacci
Because filius Bonacci was his last name.
fillius bonacci his nick name (fibonacci) is a contraction of both
Alessandra
LEONARDO OF PISA
The renowned Middle Ages mathematician's REAL NAME was Leonardo Pisano Bigollo (c. 1170 - c. 1250), but he was known by many names, such as Leonardo of Pisa, Leonardo Pisano, Leonardo Bonacci, Leonardo Fibonacci, and just plain Fibonacci.
Leonardo Fibonacci, or Leonardo of Pisa.
Fibonacci's other names were Leonardo of Pisa, Leonardo Pisano, Leonardo Bonacci and Leonardo Fibonacci.
Via Wikipedia: Leonardo Fibonacci was a catholic.
Leonardo didn't discover it... Fibonacci did.