Math Concepts

It's seeped into movies and popular culture, but what does "six degrees of separation" really mean? Are we really that connected to each other?

By Dave Roos

There are two different scales of measuring temperature on Earth, but they merge at just one very cold number.

By Jesslyn Shields

How large does a random group of people have to be for a 50 percent chance to exist that at least two of the people will share a birthday?

By Laurie L. Dove

If you're already familiar with subtracting fractions, learning how to add fractions will be a piece of cake for you. And if you haven't learned how to subtract fractions yet, don't worry - we've got you covered!

By Jesslyn Shields

We'll show you both a quick and dirty way, and a precise, more complicated formula for converting Celsius to Fahrenheit (and vice versa).

By Sydney Murphy & Austin Henderson

Many people get speed and velocity confused. It's no surprise because the terms are often used interchangeably. But they're not quite the same thing. So how do you find the velocity of an object?

By Mark Mancini

And it'll take XIV minutes flat.

By Alia Hoyt & Desiree Bowie

Converting kilogram measurements into pounds is not hard. We'll show you the textbook way plus two quick-and-dirty shortcuts.

By Mark Mancini

Most of the world uses meters, apart from the U.S. and a few other countries. So what's an easy way to convert from meters to feet and vice versa?

By Mark Mancini

Finding the range of a set of numbers is an easy subtraction problem!

By Jesslyn Shields

Both degrees and radians represent the measure of an angle in geometry. So, how do you convert one to the other?

By Mark Mancini

With a little patience, you can master this trick of converting binary code to decimals - and have fun doing it!

By Mark Mancini

Mathematician Andrew Booker has found the three cubes that add up to the number 33, a long-unsolved math problem.

By Patrick J. Kiger

Can you name even one female mathematician? Don't worry if you can't. That just means you need to read our article on five famous female mathematicians to up your cred.

By Dave Roos

You've heard of Google, but what about a Googol? If not, then this tutorial is for you.

By Mark Mancini

Spanish researchers recently uncovered a new geometric shape that allows human tissue to curve. But how?

By Robert Lamb

The Fibonacci sequence has been a numerical sequence for millennia. But what does it have to do with sunflower seeds or rabbits?

By Robert Lamb & Jesslyn Shields

Has this ever happened to you? The meteorologist calls for a massive snowstorm, but the flakes fail to arrive. Chaos theory can shed light on why forecasts fail (and why our orderly world may not be so orderly after all).

By William Harris