I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

We’re still on the Gold Comet, but this time, we’ll be dealing with the much more competent Sonja. She’s the real brains behind her country’s military force and she’s pretty meticulous with her moves, ...

Learn how to write the sum from a geometric series. A series is the sum of the terms of a sequence. A geometric series is the sum of the terms of a geometric sequence. The formula for the sum of n ...

Fifty-eight years ago in Chicago, I marched down State Street with other antiwar protestors heading toward the site of the Democratic National Convention and made three discoveries. The first was that ...