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How Long is a Piece of String?: More hidden mathematics of everyday life: Eastaway, Rob, Wyndham, Jeremy: 9781911622260: Amazon.com: Books
GitHub - miroiu/string-math: Evaluates a math expression from a string. Supports variables and custom operators.
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String-math 2012 : Donagi, Ron, Katz, Sheldon, Klemm, Albrecht, Morrison, David R.: Amazon.it: Libri
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