I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

We'll also see how well it generates new data, and finally we'll go over the key limitations of the copilot function. At the very end, I'll show you an alternative function to the copilot formula in ...

On Monday, Anthropic announced Opus 4.5, the latest version of its flagship model. It’s the last of Anthropic’s 4.5 series of models to be released, following the launch of Sonnet 4.5 in September and ...

The FIND function allows you to find a text string within another. It returns the position at which a character or string begins within another text string. The output of the above function will be 5, ...

What if you could take the chaos of a sprawling Excel spreadsheet and distill it into exactly the information you need—no fluff, no manual sifting, just precision? For anyone who’s ever wrestled with ...

Q. Traditional PivotTables have always intimidated me. I see there is a new Excel function called PIVOTBY. What is the difference between it and the traditional PivotTable? With the PIVOTBY function, ...

Q. Could you explain how the AGGREGATE function works in Excel? A. AGGREGATE is possibly the most versatile function in Excel. Think of it as an advanced version of the SUBTOTAL function that offers ...

Have you ever found yourself endlessly dragging formulas across rows or columns in Excel, only to realize there’s got to be a better way? Maybe you’ve spent hours creating helper columns or ...

Mirriam-Webster provides two definitions for the word whisk: one for the motion and another for the actual tool. The tool is defined as a “utensil used for beating food by hand” while the action of ...

Charts and sparklines are powerful data visualization tools in Excel. Here’s a guide to the most popular chart types in Excel and how to best use them. Microsoft Excel offers a plethora of tools for ...