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How to Use the VSTACK and HSTACK Functions in Microsoft Excel

VSTACK and HSTACK are dynamic array functions, meaning the result spills from the cell in which you type the formula, and any changes to the data in the source arrays are reflected in the stacked ...

Use the 2-7-30 rule to radically improve your memory

If there’s something you’d like to remember, give the 2-7-30 method a try. Nearly 150 years of science (and the testimony of ...