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)
Tile drainage his native Scotland to his farm in Seneca County, New York. Johnston labored to lay worth of clay tile on . The effort paid off by increasing his wheat yield from 12 bushels per acre to 60 bu/acre. Johnston, "...father of tile drainage in America...", continued to advocate tile drainage throughout his life, attributing his success as a farmer to the formula "D,C, and D" (dung, credit, and drainage). The expansion of drainage networks was an important technical aspect of Westward Expansion in the 19th century. Although land in the United States was parceled out in accordance with the Public