Learn how to unlock Excel’s hidden features with GROUPBY and create visually compelling, accurate reports like never before.

Since their introduction in 1993, PivotTables have remained one of Excel’s most powerful tools for summarizing and analyzing large datasets. With just a few clicks, you can transform raw, unstructured ...

Array constants can only contain text in double quotes, plain numbers (no currency symbols or percent signs), or Boolean values (TRUE and FALSE), separated by the comma and semicolon delimiters. They ...

Microsoft Excel has turned 40 years old today, marking a milestone age for the trusted spreadsheet software. Initially released on September 30 th, 1985, it’s estimated that Excel’s monthly user-base ...

I use these functions to summarize data with formulas instead of dialog boxes. That makes it easier to see exactly what's happening and adjust analysis on the fly. If you're also comfortable with ...

Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...

If you use an EpiPen or antihistamine to treat food allergies, it’s important to bring an adequate supply and to bring them on day trips and shore excursions. While you may be able to be more relaxed ...

From spreadsheets to showdowns, the Excel World Championship turns number-crunching into a high-stakes spectacle.

Business intelligence and analytics tools are no longer optional to deliver real-time insights and support agile business decisions.

Discover effective strategies to expand your professional network, foster meaningful relationships, and unlock new business opportunities with these IMD tips.

Wix, ranked number 1 in our list of the best website builder platforms, offers over 2,000 templates across dozens of categories. But not all templates are created equal. Some shine with elegant design ...