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....
Irony can be situational, dramatic or verbal. Situational ironies are purely unintentional - just like, Titanic, which was boasted as 100% unsinkable, sank on its maiden voyage! Though tragic, this is purely ironic. Dramatic ironies mainly confine to literature and drama. Verbal Irony is the one you use in our day-to-day life. You use it to express something which is very mean or to make fun of your friend or to express your dissatisfaction regarding something. Yeah, it's very common that you say Oh great!