How exactly do I create a checklist item in a Note?
The Notes application claims to support the creation of check-able lists, but I can't figure out how to create them, on either iPhone or Mac OS X.
On the Mac: Notes Format menu > Checklist or click the checklist icon (check mark in circle) in the bar at the top of the note.
On the iPhone: On a new note, click the + sign immediately above the keyboarding that will display a row of icons, the first of which is the check mark inside the circle.
Both require the new Notes. The following has upgrade information: Upgrade your notes with iOS 9 and OS X El Capitan - Apple Support