Operating margin or operating profit margin measures what proportion of a company's revenue is left over, after deducting direct costs and overhead and before taxes and other indirect costs such as interest. Operating margin formula is:
Snapping an app resizes the app to 320 pixels wide, which allows it to share the screen with another app. Snapping enables two apps to be visible at the same time, so the user can truly multitask. Be aware that snapping is not available for devices with under 1366 pixel horizontal resolution.
PicsArt Photo Studio is a popular, feature-rich photo editor that was formerly for Android phones only, but it's now available for iPhone. There are several apps that let you add effects and edit your photos, but PicsArt Photo Studio does those things and quite a lot more. In fact this app has so many features it can get a little overwhelming -- particularly with the number of interface elements on the screen.