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.
Dolan was born in Montreal, Quebec, Canada. He is the son of GeneviÃ¨ve Dolan, a Quebecois teacher, and Manuel Tadros, an Egyptian-born Canadian actor and singer with strong ties to the Quebecois entertainment industry. Dolan was a successful child actor.