The Markov numbers reveal the secrets of irrational numbers and the patterns of the Fibonacci sequence. But there’s one question about them that has resisted proof for over a century. Most people are ...

Tax Day is coming, and soon it will be time to begin gathering forms. If you haven't looked at them yet, all those numbers and letters – W-2, W-9, 1099 – can easily overwhelm. Some forms are ...

Imagine a horizontal line. The very left is marked one thousand and the very right is marked one billion. On this line, where would you add a marker to represent one million? If you said somewhere in ...

“There are five fundamental operations in mathematics,” the German mathematician Martin Eichler supposedly said. “Addition, subtraction, multiplication, division and modular forms.” Part of the joke, ...

Form 4547, which allows taxpayers to elect the new Trump accounts, was clearly numbered with purpose. But when it comes to 1040s, W-2s, 1099s, and other familiar forms, the explanation is far less ...