Bingo card cards to overcome the difficulty with randomization. There are two types of Bingo cards. One is a 5x5 grid meant for 75-ball Bingo, which is largely played in the U.S. The other uses a 9x3 grid for U.K. style "Housie" or 90-ball Bingo. Players use cards that feature five columns of five squares each, with every square containing a number (except the middle square, which is designated a "FREE" space). The columns are labeled "B" (numbers 1–15), "I" (numbers 16–30), "N" (numbers 31–45), "G" (numbers 46–60), and "O" (numbers 61–75). A popular Bingo myth claims that U.S. Bingo innovator Edwin
Bingo (United Kingdom) interest to bingo. Since the introduction of the electronic random number generator (RNG) in bingo halls in the UK, the usage of the nicknames or bingo calls above in mainstream bingo has dramatically decreased. The BBC1 game show "Bob's Full House" hosted by Bob Monkhouse was based on Bingo. Unlike a normal bingo card which uses a 3x9 grid with the numbers 1 to 90, the show only used a 3x6 grid with the numbers 1 to 60 on the contestants' cards and the Gold Card bonus round board. Bingo (United Kingdom) Bingo is a game of probability in which