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Humans, for the most part, count in chunks of 10 — that’s the foundation of the decimal system. Despite its near-universal adoption, however, it’s a completely arbitrary numbering system that emerged ...

Binary and hexadecimal numbers systems underpin the way modern computer systems work. Low-level interactions with hexadecimal (hex) and binary are uncommon in the world of Java programming, but ...

Every now and then you come across something that Excel doesn’t have a function for which requires you to get fancy and figure out some tricky way to get the job done. While coding up a solution in ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American The word “factoradic” jumped out to me when I ...

Children are beautifully attuned to patterns in the world around them. They notice repetitions and regular relationships. That’s how they discover basic laws in the physical and social world and learn ...

Understand how to express the same number in different forms. Part of using base-ten numbers correctly is understanding how to express the same number in different forms. It is challenging to move ...

The puzzle as presented earlier this week: The other evening at dinner, Max and Nora were counting out numbers on their fingers. Max, age five (almost six!) was using both hands to count to ten — ...

The Powerball jackpot has grown to an estimated $244 million after no one won Wednesday's drawing. The winning numbers for the Oct. 8 drawing were 8, 10, 44, 48, 54, and the Powerball was 14. The next ...

The other evening at dinner, Max and Nora were counting out numbers on their fingers. Max, age five (almost six!) was using both hands to count to ten -- making base 10 numbers. Nora, on the other ...