The White House’s new tariffs announced Wednesday were pegged to amounts it said other countries impose on the U.S. In many cases, those amounts appear to match a basic formula: the size of a ...

Array formulas let you perform calculations across entire ranges of data in a single formula. Hence, you can handle lightning-fast lookups, filtering, and sorting with just one po ...

Microsoft Excel's SUMIFS function calculates the sum of values in a range of cells based on multiple conditions. It avoids ...