Real and imaginary: The time-dependent Schrödinger equation formulated using complex numbers. (Courtesy: iStock/piranka) Complex numbers are essential to achieve the most accurate quantum-mechanical ...

Several years ago one of us, Toni, asked another of us, Marco, to come to his office at the Institute of Photonic Sciences, a large research center in Castelldefels near Barcelona. “There is a problem ...

In spite of their name, “imaginary” numbers are as real as any other numbers, especially when it comes to hunting for lost treasure. For our first Insights puzzle of 2019, let’s go on a treasure hunt.

Spreadsheet programs are effective tools for successful businesses. These programs can significantly reduce the time needed to create reports and financial statements used to manage a business. Most ...

Princeton Univ. Press: 2006. 404 pp. $29.95. In a poll for the most beautiful mathematical formula ever, each voter would no doubt have a subjective and unashamedly biased list, but a handful of ...

Learn how Excel functions can act as data using LAMBDA, LET, and BYROW, so you reuse logic and cut formula edits.

Apple Numbers isn't as popular as Excel, but it’s a powerful spreadsheet application that offers all the essential features ...

While the Milky Way has more stars than the brain has neurons, the manifold connections and interactions in the brain make it arguably more complex. Source: theartofsounds2001 | Pixabay The human ...