Definition of Greatest Integer Function. The greatest integer function of a real number x is represented by f(x) = [x] or |_x_|. For all real numbers x, the greatest integer function returns the largest integer less than or equal to x.
Daniel James Johnson, aka Danger Dolan, is an Australian YouTuber who specializes in trivia countdown videos narrated by animated characters.
The Dolan Twins. From Wikipedia, the free encyclopedia. Ethan Dolan and Grayson Dolan (born December 16, 1999), collectively known as The Dolan Twins, are an American comedy duo who rose to prominence in May 2013 on the video sharing applications Vine.