Featuring all-new topics and problems, The Mathematics Calendar 2011 makes math accessible to everyone with information, games, puzzles, and stories. Each month has a fascinating math topic that illustrates the impact math has on every aspect of daily life ? nature, science, music, architecture, the arts, and more. And for each day, theres an intriguing math problem whose solution is the date. The puzzle lies in figuring out how to arrive at the answer. Gorgeous graphics, thought-provoking puzzles, and a wealth of exciting information all add up to create a wall calendar thats enjoyable, educational, and attractive.