In this example, the goal is to sum amounts by weekday. In other words, we want to sum amounts by Monday, Tuesday, Wednesday, and so on. Column B contains valid Excel dates formatted with a custom number format explained below. For convenience, all source data...Read more
The REGEXEXTRACT function extracts text matching a specific regex pattern from a given text string. For the advanced Excel user, this function is a major upgrade. Instead of working out complex formulas based on functions like LEFT, RIGHT, FIND, MID, etc., REGEXEXTRACT can target...Read more
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 LAMBDA function, allowing you to generate reproducible...Read more
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