In this video I will explain how to identify the least common denominator between two fractions and then between two rational expressions. We will use the same technique and understanding of factors ...

Apple’s tablet lineup—its “good, better, best” of the iPad, iPad Air, and iPad Pro—feels all the more entrenched. That’s ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

The central limit theorem started as a bar trick for 18th-century gamblers. Now scientists rely on it every day.

Divide any circle’s circumference by its diameter and you get pi. But what, exactly, are its digits? Measuring physical ...

No bad luck here—just lots of fascinating math that explains why the 13th of a month so often falls on a Friday ...

In this simulation, 66 of the 100 needles crossed a line (you can count ’em). Using this number, we get a value of pi at ...

JavaScript is a great language. It has a simple syntax, large ecosystem and, what is most important, a great community. At the same time, we all know that JavaScript is quite a funny language with ...