Stop learning Excel with fake data—use Pokémon instead.

I have previously introduced regression analysis (SLOPE, RSQ, multiple regression), but those were all for predicting continuous numbers like sales. This time, we are talking about when you want to ...

Clockwise Top L-R: Simon Arblaster, Danika Frederick, Dominic Goodman, Mason Temple, Karl-Antoine Suprice, Sierra Sidwell and Paravi Andi Crown/Danny Shumovpeg/Lauren Desberg/Kristine Cofsky/Alexis GR ...

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas (with or without help from the Copilot AI assistant) and ...

Most people treat Excel as a rigid calculator, completely missing its capacity for chaos. Excel's built-in randomization tools can generate numbers, shuffle existing lists, and build mock timelines in ...

Probability underpins AI, cryptography and statistics. However, as the philosopher Bertrand Russell said, “Probability is the most important concept in modern science, especially as nobody has the ...

Imagine opening an Excel file expecting to see numbers, only to find that every cell displays formulas like =SUM(A1:A10), instead of the actual results. It can be confusing and frustrating, especially ...

Wouldn’t it be great if you could be an Excel wizard without putting in all the time and effort needed to learn how to get around Excel and make it do what you want it to do? Formulas are one of the ...

A new COPILOT function in Excel lets you use AI in a formula. The new skill is now available to Microsoft 365 insiders. Reduces some of the complexity involved in creating formulas. Get more in-depth ...

A variation of a puzzle called the “pick-up sticks problem” asks the following question: If I have some number of sticks with random lengths between 0 and 1, what are the chances that no three of ...

I was preparing for my early morning class back in January 2025 when I received a notice regarding an asteroid called 2024 YR4. It said the probability it could hit Earth was unusually high. As ...