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.
If you are the kind of person you want to read what has been changed before updating an app you can disable the auto app update setting. Or enable if you want updates fully automated.
In this tutorial, i will show you how to create invisible folder. Very useful for users, which like to hide secret folders from other users on computer.