Hex Advisory flips traditional consulting, prioritizing rapid results, unbiased advice and client independence over billable hours.

This game is end to end! UPDATE: Solution is here Today’s offering is for fans of the number 4. It’s a cute puzzle that offers up its solution in an elegant way. Nose to tail There is a number N ...

Earlier today I set this elegant number puzzle. Here it is again with a solution. Nose to tail There is a number N beginning with 4 such that moving the 4 to the end of it creates a new number that is ...

This article is from Proof Positive, our friendly math newsletter that's delivered to your inbox every Tuesday afternoon. Sign up today and read it first. Last week I explained how a then 25-year-old ...

As students move up through the grades in elementary and middle school, math marches relentlessly forward—whether they’re ready or not. Math is a hierarchical field, building sequentially on prior ...

Diamonds are famous for their strength, but scientists have long suspected that another form of diamond might be even harder. Evidence of this was gathered over the past sixty years in meteorite ...

Dr. Clayton is a mathematician. Candidates for quantitative jobs — like those on Wall Street or in Silicon Valley — are sometimes asked offbeat questions such as: How many Ping-Pong balls fit in a 747 ...

Over 8,000 years ago, early farming communities in northern Mesopotamia were already thinking mathematically—long before numbers were written down. By closely studying Halafian pottery, researchers ...

For the past several years, America has been using its young people as lab rats in a sweeping, if not exactly thought-out, education experiment. Schools across the country have been lowering standards ...