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

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 ...

If you need to find a particular value in an Excel sheet, the quickest way is to use a lookup formula. The most popular functions to use in these formulas are VLOOKUP and HLOOKUP, which search across ...

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