Mastering Excel goes far beyond SUM and VLOOKUP. By learning functions like COUNT, AVERAGE, SUMIF, SUBTOTAL, XLOOKUP, and INDEX/MATCH, you can find opportunities to improve your Excel sheet. Some ...

There are two ways to calculate a conditional average in Excel, both involve some logic and some special functions. Excel’s SUMIF() and COUNTIF() are two of my favorite summarizing functions and we’ve ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

I have a background that includes spreadsheets, programming, and electronics, so this book piqued my interest. I didn't run into any surprises until I thought a bit more about its contents and my ...

How to average unique values in Excel the easy way Your email has been sent If you need to average a list of values in Microsoft Excel that contain duplicates without including the duplicates, don't ...

Katharine Beer is a writer, editor, and archivist based in New York. She has a broad range of experience in research and writing, having covered subjects as diverse as the history of New York City's ...

Calculating returns from your stock portfolio can be a tricky matter, especially if some of your holdings pay dividends, or you make frequent deposits and withdrawals from your account. With Excel and ...