A series of whole numbers in which each number is the sum of the two preceding ones: 1, 1, 2, 3, 5, 8, 13, etc. Fibonacci numbers are used in a variety of algorithms, including stock market analysis.

It’s wild to think that a math puzzle from the 1200s is now helping power AI, encryption, and the digital world we live in. Every November 23, math lovers celebrate Fibonacci Day, a nod to the ...

As their results began to crystallize, at first they didn’t notice the striking patterns emerging. But a colleague who reviewed their work spotted the famed Fibonacci numbers—a list whose entries have ...

The Fibonacci sequence is a mathematical concept that has been around for centuries. Named after Italian mathematician Leonardo of Pisa, also known as Fibonacci, the sequence is derived by adding the ...

Fibonacci retracement uses specific ratios to predict stock reversals. Key Fibonacci levels are 0%, 23.6%, 38.2%, 50%, 61.8%, and 100%. Investors use these levels for setting price goals and trading ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Fourteen years ago, the mathematicians Dusa McDuff and Felix Schlenk stumbled upon a hidden geometric garden that is only now beginning to flower. The pair were interested in a certain kind of oblong ...