image of multiplication table
Applied Math

A Cool New Way to Grasp Basic Multiplication

June 28, 2017

In this lecture from The Power of Mathematical Visualization, professor James Tanton teaches intriguing new ways to perform basic multiplication — methods that teach you to visualize numbers in a whole new light. […]

artistic rendering of a lighting strike superimposed on random green numbers
Applied Math

Our Random World—Probability Defined

April 17, 2017

While it’s nice to think that our challenge in life is to get rid of uncertainty and be in complete control of everything, that is not going to happen. One of life’s real challenges is to deal with the uncertain and the unknown in some sort of an effective way; and that is the realm of probability. […]

American History

Can You Trust Polling Results?

March 27, 2017

Polling can be an effective mechanism to predict the outcome of a vote, but in order to obtain valid results you have to be careful about how you construct your sample audience. […]

The Pi symbol mathematical constant irrational number on circle, greek letter, background (Image: Fernando Batista/Shutterstock)

Pi: The Most Important Number in the Universe?

March 14, 2017

One of the most famous numbers in human history, as well as one of the most important numbers in our universe, is the number Pi. Just how well do you know its mathematical applications and historical impact? […]

data being read on a touch screen tablet
Applied Math

Understanding Big Data: The Three V’s

March 3, 2017

Big data is often defined as having three v’s: volume, velocity and variety. We stand in a data deluge that is showering large volumes of data at high velocities with a lot of variety. With all this data comes information and with that information comes the potential for innovation. Let’s take a closer look at these “3 V’s” of big data and how they help us understand this highly complex field. […]

Head or tails. A concept image showing both sides of an antique coin.
Applied Math

The Nature of Randomness

February 25, 2017

Randomness can be confusing to the human mind, because its expression is often quite different than what we expect it might be. […]

Photo showing a candle shaped like a zero on a black background

The Power of Zero

February 15, 2017

A compact, place-based number system with a symbol for zero opens the floodgates for arithmetic calculations and the discovery of new numbers. […]

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