If you have trouble remembering how to graph different mathematical functions, these simple figures with their dancing arms can help. At the very least, ...

How to Graph a Function in Excel. A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y. By calculating a function at a ...

The Smarter Balanced test group announced today it has partnered with Desmos, a company that created a free online graphing calculator that is giving Texas Instruments a run for its money.

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 ...

How can the tiniest particles and the vast structure of the universe be explained using the same kind of mathematics? This puzzle is the focus of recent research by mathematicians Claudia Fevola ...