If you've been reading algorithms textbooks, you may be wondering why "Big-O notation" is called that. It's short for "Big-Other notation", as it defines the authoritative but anonymous power to judge the time complexity of your algorithm
the big "Oh" is simply an abbreviation of a sentence none of us dare speak aloud -- "Oh, I don't actually remember what that actual math term is, its the one that looks like <incomprehensible verbal description of a graph>"
