Bingo card S. Lowe contracted Columbia University professor Carl Leffler to create 6,000 random and unique Bingo cards. The effort is purported to have driven Leffler insane. Manual random permutation is an onerous and time-consuming task that limited the number of Bingo cards available for play for centuries. The calculation of random permutations is a matter of statistics principally relying on the use of factorial calculations. In its simplest sense, the number of unique "B" columns assumes that all 15 numbers are available for the first row. That only 14 of the numbers are available for the second row (one having been
Eye of the Beholder (video game) with substantially more 'roleplaying' aspects to the game. "" was not developed by Westwood, the developer of "Eye of the Beholder" and "The Legend of Darkmoon", but rather in-house by the publisher SSI. "Eye of the Beholder Trilogy" (1995, SSI) was a rerelease of all the three games for DOS on CD-ROM. Interplay released the three games along with a number of other "AD&D" DOS Games in two collection CDs: "The Forgotten Realms Archives" (1997) and "Gamefest: Forgotten Realms Classics" (2001). A game titled "Dungeons & Dragons: Eye of the Beholder" was released for the Game Boy Advance that uses