To register for Senior Tech Classes, contact:      Registration Office      (319) 296-2460      Hawkeye Center      1501 East Orange Rd.      P.O. Box 8015      Waterloo, IA 50704           OR      Register Online For more information about Senior Tech Classes, contact:      Mike Tompkins      (319) 296-4230      Metro Center      844 West 4th St.      P.O. Box 8015      Waterloo, IA 50704