Quick Answer. The formula bar is a feature in Microsoft Excel that enables users to create and view formulas. It is typically labeled with a function symbol (fx), and it is sometimes referred to as the formula box. Continue Reading.
An audio commentary is an additional audio track, usually digital, consisting of a lecture or comments by one or more speakers, that plays in real time with a video. Commentaries can be serious or entertaining in nature, and can add information which otherwise would not be disclosed to audience members.[1]
A treatise is a formal and systematic written discourse on some subject, generally longer and treating it in greater depth than an essay, and more concerned with investigating or exposing the principles of the subject.