Old-school Excel functions like SUMPRODUCT, INDEX/MATCH, and IFERROR remain essential for stable, readable, and maintainable ...

Q. I have prepared projections for a proposed project, and I want to calculate the internal rate of return. Instead of using Excel’s IRR function, should I use simple math formulas so others can ...

Excel spreadsheets do so much, from making lists to crunching numbers to acting as sophisticated flat-file databases. We’re creating this guide to make sure you master all the essentials and more.

Have you ever found yourself wrestling with Excel, wishing it could just do *that one thing* to make your work easier? Maybe you’ve spent hours manually replacing text, trying to filter data with ...