The Harvard Medical School professor warns of the dangers of new technologies to enhance brain capacity, because what ...

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

The SUMIFS function works in a similar way with text as with numbers, but there are two key differences. First, text in Excel formulas must always go inside double quotes, and second, you can use ...

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 ...