Scrabble variants require scientific notation, depending on the board. Points are calculated automatically and displayed next to definitions of words as they are placed. Anadrome has a tile-earning mechanic and board editor, allowing users to create publicly available boards for Scrabble, Words with Friends, and their own custom designs, making it a superset of crossword-style games. On the game show "Scrabble Showdown", two teams play various games in order to win prizes including a vacation to anywhere in the world. Gosum is similar to Numble. Users place sequences of numbers and equations, using the four main arithmetic operators (addition, subtraction, division, multiplication)
National Scrabble Association on July 1, 2013. Activities of the association included: National Scrabble Association The National Scrabble Association (NSA) was created in 1978 by Selchow & Righter, then the makers of Scrabble, to promote their game. It coordinated local clubs and Scrabble tournaments in North America, including the National Scrabble Championship, until 2009. The last director was John D. Williams, who is co-author of the book "Everything Scrabble". In July 2009, the coordination of tournaments and competitive clubs was transferred to a new organization, North American Scrabble Players Association (NASPA). The NSA continued to publish "Scrabble News" and run programs such as