Recent explorations of unique geometric worlds reveal perplexing patterns, including the Fibonacci sequence and the golden ratio.

In 1202 Leonardo da Pisa (aka Fibonacci) taught Western Europe how to do arithmetic with Arabic numerals. In Man of Numbers: Fibonacci's Arithmetic Revolution, Keith Devlin describes how basic ...

It's reliability is questionable, though fanatics claim it's the finest of models. The idea is derived from the Fibonacci sequence, a series of numbers starting with the digits 0 and 1, with each ...

Hoggatt sees Fibonacci everywhere. “The piano octave,” he notes with satisfaction, “has eight white keys—five black keys and 13 keys altogether,” all Fibonacci numbers. “I always use ...