Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

Get ready for some mind-bending bicycle math experiments! Can the equation 0.5 + 0.5 equal 0.33 + 0.33 + 0.33 on a bike?

Dana Miranda is a Certified Educator in Personal Finance, creator of the Healthy Rich newsletter and author of You Don't Need a Budget: Stop Worrying about Debt, Spend without Shame, and Manage Money ...

Use the sales tax calculator to figure out how much sales tax you’ll potentially owe on a purchase. Many, or all, of the products featured on this page are from our advertising partners who compensate ...

NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.

One of the most challenging aspects of starting the homebuying process is figuring out how much you can afford. With CNBC Select's mortgage payment calculator, you can see how various factors will ...

Penny Gusner is a senior insurance writer and analyst at Forbes Advisor. For more than 20 years, she has been helping consumers learn how insurance laws, data, trends, and coverages affect them. Penny ...