The Calculator

http://media.dcentertainment.com/sites/default/files/imce/2016/02-FEB/DTC468CVR_56b2964bc6f148.82279365.jpgUnknown in origin, The Calculator possesses a tactical computer that prevents any defeat to be repeated.
Issue Comment Reprinted in
Detective #463 1st Appearance, vs. The Atom
Detective #464 vs. The Black Canary
Detective #465 vs. The Elongated Man
Detective #466 vs. Green Arrow
Detective #467 vs. Hawkman
Detective #468 vs. The Justice League
Action #522-524 vs. Atom & Air Wave


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