In this example, the goal is to sum the amounts in column C by week, using the dates in the range E5:E10 which are all Mondays. All data is in an Excel Table named data in the range B5:C16. This problem can be solved in a straightforward way with the...Read more
The SUMIFS function sums numbers in Excel when they meet one or more specific conditions. SUMIFS is one of Excel's most widely used functions, and you will see it in all kinds of spreadsheets that calculate conditional sums based on dates, text, or numbers. Although a common function, ...Read more
How to keep random numbers from changing in Excel? Excel's random functions like RAND and RANDARRAY recalculate every time you edit your worksheet, making it impossible to maintain stable random results. This article shows you how to build a seeded random number generator using Excel's...Read more
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