In the Notes app in macOS, it's possible to float individual notes over other windows so that they stay visible regardless of which application is active. This makes for a convenient way to reference ...

Failure rate or base failure rate refers to the number of failures per unit of time, typically in terms of failures in time (FITs) equivalent to one failure in a billion hours, which can be expected ...

You can also create a Quick Note from an app, such as a website in Safari, a link on a specific web page, or selected text on any screen. Open the app and content you want to save, tap the Share icon, ...