The Calculator is a super-intelligent enemy of Batman who operates a world-wide communications network brokering information to super-villains, making him the evil counterpart to Oracle. His career began as a costumed criminal wearing a battle-suit designed like a giant calculator. He is a founding member of the Secret Society of Super-Villains, and has also been a member of the Fearsome Five; he usually fights the Birds of Prey. Calculator was created by Bob Rozakis and Mike Grell, first appearing in Detective Comics #463. (1976)

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