Learn why the Excel AGGREGATE function fails with arrays and how to fix value errors using helper columns or dynamic LAMBDA and BYROW formulas.

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Before the past year, many of us took computer memory for granted. It was one of the lower-cost parts of a PC build and was ...

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In a previous post, I suggested a memory exercise based on mentally composing a two-act play and incorporating the items one wishes to memorize. Some readers objected to the additional requirement of ...