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.

The SCAN function lives in a single cell and spills the results down the column, ensuring my totals are always structurally ...

You'll first need to access your Intelligent Wi-Fi settings by opening your Settings app, tapping on the Connections tab, then Wi-Fi, then the three dots (for expanded settings) on the top-right ...