Excel's SUMIF and SUMIFS functions both let you add up values that match criteria you specify. The problem is that many people treat them as separate tools: SUMIF for one condition, SUMIFS for ...
When you want to aggregate sales by "person in charge" or "product" in Excel, do you find yourself searching for the SUMIFS ...
Summing only the positive or negative values in the same range of values only sounds difficult. Fortunately, the SUMIF() function can handle both. Summing only the negative values in a range of values ...