Mehtaab Sawhney, who joined Columbia last year, enjoys the thorny work of proving a seemingly straightforward statement of ...

A recent Education Week special report, “ Grading and Assessment: How to Best Measure Student Success ,” examines how ...

Here are some reasons your tax refund may take a while to receive this year – and tips for what you can do if yours is late.

College admissions officers, especially at selective institutions, have a persistent preference for calculus as a ...

Bringing elementary students outside for math lessons provides a welcome change of pace and a chance for new activities.

Trump signed an executive order to eliminate the Department of Education. Will that increase internet access for students or ...

Not all AI scaling strategies are equal. Longer reasoning chains are not sign of higher intelligence. More compute isn't ...

Mathematicians’ Favorite Shapes Hold the Key to Big Mathematical Mysteries ...

What does “same” mean, and how does it change depending on the kind of math you’re talking about? For example, a set is kind of like a bag of marbles: It has no real structure to it. So we say two ...

Math and computer science researchers have long known that some questions are fundamentally unanswerable. Now physicists are exploring how physical systems put hard limits on what we can predict.

Eliana Rodgers / Investopedia The arithmetic mean is the simple average or sum of a series of numbers divided by the count of that series of numbers. For example, the arithmetic mean of the ...