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 ...

Fibonacci trading: It's a math sequence that few retail investors use when planning their trades, one left mainly to technical traders at institutions. It's reliability is questionable, though ...

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 ...

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 ...

A variation of a puzzle called the “pick-up sticks problem” asks the following question: If I have some number of sticks with random lengths between 0 and 1, what are the chances that no three of ...

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 ...