Difference between Totalisator and Totalizer

What is the difference between Totalisator and Totalizer?

Totalisator as a noun is (uk) the computerised system which runs parimutuel betting, calculating payoff odds, displaying them, and producing tickets based on incoming bets. while Totalizer as a noun is a person or object that totals

We hope you now know whether to use Totalisator or Totalizer in your sentence.