October 1980 October 31, 1980 mathNEWS Editor Click through to view the PDFs for: mathNEWS-24-4 (October 3, 1980) mathNEWS-24-5 (October 10, 1980) mathNEWS-24-6 (October 17, 1980) mathNEWS-24-7 (October 24, 1980) mathNEWS-24-8 (October 31, 1980)