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)
Scrabble squares, 17 pale red "double-word" squares, of which one, the center square (H8), is marked with a star or other symbol; 12 dark blue "triple-letter" squares, and 24 pale blue "double-letter" squares. In 2008, Hasbro changed the colors of the premium squares to orange for TW, red for DW, blue for DL, and green for TL, but the original premium square color scheme is still preferred for "Scrabble" boards used in tournaments. In an English-language set, the game contains 100 tiles, 98 of which are marked with a letter and a point value ranging from 1 to 10. The number