Barbie caught a lot of flack back in the ’90s for declaring, “Math class is tough!” Today we find ourselves in the disorienting position of defending her. We recently got a note f… ...

Everyone knows that arithmetic is true: 2 + 2 = 4. But surprisingly, we don’t know why it’s true.. By stepping outside the box of our usual way of thinking about numbers, my colleagues and I ...

In summary, both arithmetic and geometric returns have their uses and it's important to consider the context and purpose of your analysis when choosing which method to use.

You may never have heard of modular arithmetic, but you use it every day without the slightest difficulty. In this system, numbers wrap around when they reach a certain size called the modulus; it ...