MacOS – way to add Touch bar controls when using spotlight search

macosspotlighttouch-bar

I never found spotlight useful before, but now I'm thinking if I'd add calculator's controls like the ones in the picture, it'd make spotlight way more useful.
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Best Answer

I use Spotlight as a calculator all the time, without specifically pressing buttons, but simply typing my equation into Spotlight:

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It's smart enough to realise what you're doing, and pressing {Enter} will load the Calculator app with your results, so you can continue / copy&paste.