Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

Dynamic arrays change the rules for formula output in Excel. When I write a formula that returns a list by default, I need to decide whether I want the result to spill across a range of cells or ...

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

Abstract: Empirical formulas are proposed for the superdirectivities of broadside linear and square arrays. The formulas are derived based on a large amount of numerical results of optimum directivity ...

Make data more insightful with free, online, collaborative spreadsheets. Microsoft Copilot in Excel unlocks the latest AI capabilities to help you achieve your goals—from creating a simple spreadsheet ...