Prime numbers are sometimes called math’s “atoms” because they can be divided by only themselves and 1. For two millennia, ...

Montgomery happened to find strikingly similar behavior in the prime numbers— specifically, the correlations between the ...

The GEOMEAN and HARMEAN are advanced statistical functions that typically require a deeper understanding of mathematics. This is probably why they aren't taught as often as the AVERAGE function.

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 ...

Microsoft Excel's Month and Weekday functions output numeric values for a given date. The Month function results in the month numbers, such as "3" for March or "12" for December. The Weekday function ...

Simpler and faster is always better in Excel. We start with some of my favorite shortcuts, then move on to using Excel for everyday situations such as finding random numbers for passwords, or random ...

Do you often stare at a spreadsheet, deal with endless data, and feel like there has to be a better way to get things done?

Mathematics of Computation, Vol. 77, No. 264 (Oct., 2008), pp. 2437-2445 (9 pages) Let F'/F be a finite normal extension of number fields with Galois group Gal(F'/F). Let χ be an irreducible character ...

Most people probably don’t think of mathematics when they hear “busy beavers.” But these eager little animals symbolize one of the most amazing concepts of the knotty field: not everything can be ...