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 distinguished from situational irony and dramatic irony in that it is produced intentionally by speakers. For instance, if a man exclaims, I'm not upset! but reveals an upset emotional state through his voice while truly trying to claim he's not upset, it would not be verbal irony by virtue of its verbal manifestation (it would, however, be situational irony).