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Physical Sciences and Mathematics Commons

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Mathematics

Science and Mathematics Education

2004

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Full-Text Articles in Physical Sciences and Mathematics

Mathematical Magic, Arthur T. Benjamin Jan 2004

Mathematical Magic, Arthur T. Benjamin

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In this paper, we present simple strategies for performing mathematical calculations that appear magical to most audiences. Specifically, we explain how to square large numbers, memorize pi to 100 places and determine the day of the week of any given date.