Consider this sequence of numbers: 5, 7, 9. Can you spot the pattern? Here’s another with the same pattern: 15, 19, 23. One more: 232, 235, 238. “Three equally spaced things,” says Raghu Meka, a ...

The X‑arithmetic technique offers a powerful new way to map the physics of other galactic structures across the universe and ...

Kristina Zucchi is an investment analyst and financial writer with 15+ years of experience managing portfolios and conducting equity research. Charlene Rhinehart is a CPA , CFE, chair of an Illinois ...

Before the 13th century Europeans used Roman numerals to do arithmetic. Leonardo of Pisa, better known today as Fibonacci, is largely responsible for the adoption of the Hindu–Arabic numeral system in ...

You may never have heard of modular arithmetic, but you use it every day without the slightest difficulty. In this system, numbers wrap around when they reach a certain size called the modulus; it is ...

Scientists have just revealed that the brain has a network of brain regions involved in advanced mathematics, as well as simpler arithmetic operations. This network is only activated when numbers are ...

The 1988 novel by Jewish author Jane Yolen is about a young Jewish American girl who travels back in time to World War II-era Poland and is sent to a Nazi death camp. A school district in central ...