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 ...

Learn the secrets of Excel structured tables to save time, eliminate errors, and create smarter, more dynamic spreadsheets.

In 1971, German mathematicians Schönhage and Strassen predicted a faster algorithm for multiplying large numbers, but it ...

Learn how to enable the Scientific Calculator and use Math Notes on your iPhone, and breeze through Math equations with ease.

The SUMIFS function works in a similar way with text as with numbers, but there are two key differences. First, text in Excel ...