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 ...

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 ...

Leonardo of Pisa, also known as Fibonacci, is best remembered today for introducing a sequence of numbers: 0, 1, 1, 2, 3, 5 and so on, each number after 0 and 1 ...

Pine cones. Stock-market quotations. Sunflowers. Classical architecture. Reproduction of bees. Roman poetry. What do they have in common? In one way or another, these and many more creations of nature ...

The world could use some good luck these days. Unfortunately, Ireland’s fabled solution — finding a four-leaf clover — remains as hard as ever to pull off this Saint Patrick’s Day. That’s because the ...

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 ...