Now more than ever The Mathematics Calendar reminds us how mathematics describes nature, impacts the sciences, is essential to architecture, influences the arts, is inseparable from music, exercises and tantalizes the mind with its puzzles and problems, stimulates and creates new technologies, and reveals the multi-dimensions of our world and universe through its ever evolving ideas and insights.

The 2015 calendar includes twelve new fascinating math topics illustrating the incredible influence of mathematics on our lives. Each day of every month has a problem, whose solution is the date. The brain teaser lies in figuring how to arrive at the answer, and possibly discovering more than one method of solving the date's problem. For each month, the problems range from arithmetic to calculus.

Each month’s text, photos and graphics have a wealth of information and are even sprinkled with a bit of humor. The twelve topics feature exciting, historic and current math ideas and topics. Theoni Pappas is committed to demystifying mathematics. The Mathematics Calendar has given thousands of people a new perspective about math —it can be fun, fascinating & intriguing.