Solutions to Calendar
Problems 1–5 were contributed by Michael A. Steuben, 4651 Brentleigh Court, Annandale, VA 22003. Problems 6–11 were prepared by Peter Booth of the Mathematics and Statistics Department of Memorial University of Newfoundland, StJohn's, NF A1C 5S7. Problems 15–12 (working backward) were offered by William H. Kraus, Wittenberg University, Springfield, OH 45501. Problems 16–18 represent the contribution of James E. Beamer and Bikkar S. Randhawa of the University of Saskatchewan. Saskatoon, SK S7N OWO, and Cheuk Ng of Athabaska University, Athebaska. Alberta. Problems 19, 20, and 22 were provided by Barry Scully, York Region Board of Education, Aurora, ON lAG 3H2. Problems 21 and 23–26 were prepared by students in Betty J. Thomson's History of Math class at the Community College of Rhode Island, Warwick, RI 02886. The students were Marg McLellan, Laurie Nayman, Christine Nye, Diane Pardini, Andre Sabo, and Rick Wilson. Problem 27 was taken from 101 Puzzle Problems by Nathaniel B. Bates and Sanderson M. Smith (Concord, Mass.: Bates Publishing Co., 1980). Problems 28–31 were originally prepared for the Hamilton Junior Mathematics Contest by Eileen Shannon, Westmount Secondary School, Hamilton, Ontario, who generously provided them for the Calendar.