By default Windows calculator doesn't support order of operation, to enable the functionality you need to activate the scientific view, let me show you how.
First I will show you the easiest way in Photoshop to create even, concentric circles and after we will ad an inverted text to make it look hypnotic in a groovy kind of a way.
Google now is sort of an intelligent personal assistant that depending on the data that Google gathers knows you pretty well. One of the coolest functions of Google now is the voice recognition functionality.
We are going to apply a bunch of Photoshop effects and use a few tricks to turn a photograph of lovely Scarlett into a pencil drawing. It's a bite longer tutorial just be sure to follow it closely and you'll be fine.