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Because most people stop at the Z But not me!

This looks like a Rubik’s Cube, but it’s not: It seems that an open-cab truck filled to the brim with Rubik’s Cubes hit a bump in the road, causing some of the cubes to spill out of the truck bed and onto the roadway.

Base two numerals can be awkward to compute with, and Roman numerals are even more awkward.

“Oh, it’s just a trick thing.” – Ben Ames Williams, Coconuts Here are six puzzles, some of them classics, that don’t look much alike on the surface.

[Note to reader: This is a sequel to my widely-circulated 2021 essay “The Great Solar Bleed-Out Scam”; for the sake of readers who have forgotten or never read that earlier essay, I include it here.]

Ask a silly question, get a silly answer. — Tom Lehrer, “New Math” I ask too many questions.

A few weeks ago I was minding my own business, peacefully reading a well-written and informative article about artificial intelligence, when I was ambushed by a passage in the article that aroused my pique.

I’m a great believer in low-tech math.

As a member of the Advisory Council for the National Museum of Mathematics (“MoMath”) over the past decade, I’ve had a number of unique opportunities, such as the thrilling chance to improve the Museum’s datebase via my smartphone and watch exhibit-content

In ordinary math, the infinite decimal .999… is defined to be the limit of the terminating decimals .9, .99, .999, …; that is, it’s defined to be the real number that the fractions 9/10, 99/100, 999/1000, … approach in the ordinary sense.

This past week I was saddened to learn of the death of mathematician and teacher David C.