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.

Whether you just closed a tab accidentally or have one in the back of your mind you need back, Command + Shift + T can get it back. Press it once to reopen your last closed tab, and keep pressing it ...

Most Windows users have come to terms with the fact that Microsoft doesn't deserve praise for its implementation of the ...