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

This video explains how the dollar sign is used in Excel formulas to control whether cell references stay fixed or change ...

AI Copilot in Excel helps clean dates, split columns, and add currency formats, so you save time and make faster, clearer decisions.

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 ...