In the Idea of Limits video, we introduce the idea of limits and discuss how it underpins all of the major concepts in calculus. In the Limit Laws video, we introduce the limit laws and discuss how to ...

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...

Calculus has a formidable reputation as being difficult and/or unpleasant, but it doesn’t have to be. Bringing humor and a sense of play to the topic can go a long way toward demystifying it. That’s ...

More than a decade ago, when Adrian Mims was working on his dissertation, he uncovered a confusing pattern in Black students’ math trajectories in the suburban district he was studying. While many ...

With AI’s ability to solve complex math problems in a matter of seconds, it may feel to teachers like the technology is rapidly changing—or will soon—how math is taught. When free and widely available ...

How to Extract a Substring in Excel Using FIND() and MID() Functions Your email has been sent Learn how to use MID() and FIND() and then combine them to parse substrings from inconsistent data.