The tilde isn't the only sign you need to understand to truly get your head around Excel's inner workings. For example, the ...

The Alt+Enter shortcut isn't limited to new formulas you write—you can go back and clean up any messy formulas at any time.

Abstract: The paper proposes multiple dual-function UAVs hybrid enabled mobile edge computing systems scheme, where UAVs serving ground users (GUs) are allowed to dynamically switch their roles to act ...