A version of this puzzle originally appeared in the October 1960 issue of Scientific American.

Locking up $20,000 in a 5‑year certificate of deposit can look deceptively simple, but the outcome depends heavily on the ...

An AI math coaching platform, used as part of a tiered support structure, gives students access to tutoring and homework ...

TypingClub shows you how to type quickly and correctly on your keyboard. You can participate in free training, and you don’t ...

What’s more, doing maths is often a collaborative endeavour – and can be a great source of fun and fulfilment when people ...

By that math, your typical American man would be smart to claim Social Security at age 62, the first year of his eligibility.

The fix for the disposable formula habit in Excel is already on your screen. At the very bottom of your Excel window is a ...

Shekhar Natarajan has many patents, improved operational processes at PepsiCo, Disney, Walmart, and American Eagle Outfitters ...

Picture a CFO scanning a cash-flow model where one interest rate cell sits off by a single percentage point. The spreadsheet ...

Ancient pottery reveals early farmers were using math thousands of years before numbers, embedding geometry and patterns into ...

Reliance on artificial intelligence causes more than just academic problems for college students, a professor observes. | ...