The Northwest (Copernicus) Senior Center, Chicago Department of Senior Services, will begin registration for low cost computer classes for adults’ ages 50 plus, in English, Spanish and Polish. Registration for classes begins December 12 through January 6, 2012. Basic Classes run for three consecutive days. All other classes run from one to eight weeks, depending on the class. Class fee – $25 to $40, depending on the class. All classes will be held at the Northwest Copernicus Senior Center, 3160 N. Milwaukee Ave. For more information, call 312-744-6681.