Bingo Caller 90 helps you run a 90 number Bingo session. When you open Bingo Caller 90, you see a "Flash Board" with a gray dot for all possible numbers (called numbers are displayed bolded and in a different color), a pull-down menu for selecting Winning Patterns, a display for the Winning Pattern, a large display of the called number, a slider to change the Calling Speed and pushbuttons to control the game.