How to Browse & Revert to Prior Versions of a File in Mac OS X

All modern releases of Mac OS X include a powerful built-in version control system that allows a user to revert to any previously saved version of a file or document, assuming the app supports the version revision feature. This ability is often overlooked by Mac users, but it can be a real lifesaver when you’ve caught yourself having modified a file inadvertently, or discovered that recent changes to a document should be undone. In some sense, you can think of this feature like a file-level “Undo” feature included in OS X, and it works fairly similar to the Time Machine backup browser on the Mac.



The Mac Calculator app may appear somewhat limited at first glance, but there are actually two other calculator modes contained within the app; a full featured scientific calculator, and a programmer calculator too. 







Apple has released the fourth beta version of iOS 8.4 to users participating in the developer testing program, the same build is also available to those in the iOS Public Beta program, though it’s labeled as iOS 8.4 Public Beta 3. The latest build arrives as 12H4125a and includes the newly refreshed Music app, complete with the Apple Music service.

