Science

Facts about the Fibonacci Sequence.

Derivations usually omitted by gurus and left for the reader to agonize over.

Fibonacci numbers and the golden section in nature, art, geometry, architecture, music, geometry and even for calculating pi! Puzzles and investigations.

Overview article in the Platonic Realms website.

Biographies, photographs.

Describes the series and lists a some iterations.

Describes the mathematic theory behind the numbers.

Describes an extended Fibonacci series in which each number is the sum of the preceding three or more numbers. A corresponding extended golden section is also described.