Though generations of schoolchildren have cursed arithmetic, the world was a much more inconvenient place without it. Before the advent of modern arithmetic in the 13th century, basic calculations ...

Some people like a little challenge in the morning, and that’s what Philippe Chretien hopes to offer with his new device. He is the man behind the Fibonacci Clock, which is exactly what it sounds like ...

No single number has been more celebrated than the Fibonacci sequence. Alternately kowtowed to as the Golden Ratio, the Divine Proportion, and That One Really Awesome Spiral, this famous number ...

The chambers in this nautilus shell graduate at a rate of 1.618, a number defined as a divine proportion since ancient times. Because pleasing proportions don't just happen, borrowing a few pointers ...

When, as a young trainee in a London dealing room, I was first introduced to Fibonacci numbers I was, as are most people, skeptical. The analysis consists of calculating significant levels based on a ...