Totalizator:
A tote board is a large numeric or alphanumeric display used to convey information, typically at a race track (to display the odds or payoffs for each horse) or at a telethon (to display the total amount donated to the charitable organization sponsoring the event).
The term “tote board” comes from the colloquialism for “totalizator” (or “totalisator”), the name for the automated system which runs parimutuel betting, calculating payoff odds, displaying them, and producing tickets based on incoming bets. Parimutuel systems had used totalisator boards since the 1860s and they were often housed in substantial buildings. However the manual systems often resulted in substantial delays in calculations of better payouts. [Wikipedia]
Heard on the movie The Killing (1956).