A basic feature of number theory, prime numbers are also a fundamental building block of computer science, from hashtables to cryptography. Everyone knows that a prime number is one that cannot be ...

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...

Random number generation is an essential feature in Excel, allowing users to perform tasks such as simulations, creating test datasets, or experimenting with spreadsheet models. Excel provides three ...

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 ...

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 ...

Mathematicians were disturbed, centuries ago, to find that calculating the properties of certain curves demanded the seemingly impossible: numbers that, when multiplied by themselves, turn negative.

Apple Numbers isn't as popular as Excel, but it’s a powerful spreadsheet application that offers all the essential features you’d expect. If you're thinking about making the switch, here are some ...

After 32 years of waiting, mathematicians calculate Dedekind's ninth number, a 42-digit giant that defied logic.