Date functions in Excel make it is possible to perform date calculations, like addition or subtraction, resulting in automated or semi-automated worksheets. The NOW function, which calculates values based on the current date and time, is a great example of this.
Dramatic irony is when the audience knows the tragic truth before the characters do. Through his use of irony Sophocles manages to avoid retelling an old tale, though the audience is cognizant of the story's end they are intrigued by the irony present in the story. Sophocles made liberal use of irony....
Verbal irony is the use of the opposite thought or feeling to create humor or show disappointment. Situational irony is when people expect one thing to happen and then the opposite occurs, like a song about irony containing no examples of irony. Finally, dramatic irony is when only the audience or reader knows about the ironic situation taking place in a play or story, resulting in tension or humor.