Why There's An 'N' Icon On Your Android Phone's Screen (And How To Turn It Off)

Are you annoyed with the persistent 'N' icon showing up on your phone's notification bar? Here's what it means and how you can get rid of it.
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I Use the Arrow Keys More Than Any Other Keys in Excel

Here are the best uses of the Arrow keys in Excel with Scroll Lock mode turned on. Pressing Ctrl+Shift+Up, Down, Left, or Right Arrows selects the current cell and all cells above, below, to the left, ...