Goes to show we don’t know everything.

Dunno if you knew this already, but the Doodler didn’t until he stumbled on it on Mactips.org.

You can do basic arithmetic by just entering the equation into the little Spotlight window on the upper right corner of your screen, as in “1+1″, and it will promptly spit out the answer. No need to call up the dashboard widget or access the Calculator app that we all  keep handy on the dock.

It works for addition (+), subtraction (-), multiplication (*), division (/) and calculating exponents (^) and factorials (!).