Batman encounters the Black Spider, a costumed vigilante out to kill every drug pusher in Gotham, regardless of anyone who might get in the way. "Crimes by Calculation," script by Bob Rozakis, pencils by Mike Grell, inks by Terry Austin: the Atom fights the Calculator, a computer-powered criminal who steals a quake-breaking device from one of Ray Palmer's colleagues at the cost of the man's life.