Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Years ago, no math education was complete without understanding how to compute a square root. Today, you are probably just ...

An individual retirement account, commonly known as an IRA, is a simple, tax-advantaged way to save money for retirement. There is a range of different types of IRAs (and strategies that come with ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Katharine Beer is a writer, editor, and archivist based in New York. She has a broad range of experience in research and writing, having covered subjects as diverse as the history of New York City's ...