John Conway: Surreal Numbers - How playing games led to more numbers than anybody ever thought of

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The Department of Mathematics at the University of Toronto is dedicated to providing great programs and resources for high school students, parents and teachers as well as those with a general interest in mathematics. We hope that you will find the information presented here fun and useful. Come back often as we add more math stories, puzzles and programs for you to view! https://mathplus.math.toronto.edu