In this example, the goal is to clean up telephone numbers with inconsistent formatting and then reformat the numbers in the same way. In practice, this means we need to start by removing the extra non-numeric characters, including spaces, dashes, periods, and parentheses. Once these...Read more
Excel's DATEDIF function is widely used for calculating the difference between two dates in years, months, or days, but it will silently return buggy results in specific cases. DATEDIF2 is a custom LAMBDA function that replaces DATEDIF with reliable date arithmetic. This article explains...Read more
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