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....
Situational irony, like verbal irony, is powered by the incongruity between the expectation and the actual outcome. Cartoons often use situational irony to get laughs, from a cat chasing a dog (instead of a dog chasing a cat) to a talking cartoon baby with a British accent who is smarter and more devious than any of the adult characters.