No. 9

Homemade Trickery | Self-inflicted Magic For The Bored Soul - A podcast by Home-Made Trickery

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Step inside the mysteries of the Number 9. Pen, paper and a digital calculator it’s all you need to embark in this journey. Enjoy! Credits: GARDNER, Martin, “Digital Roots”, Mathematics, Magic and Mystery, Dover Publications Inc, 1956, New York, p. 164-165. BENJAMIN, Arthur T., THE SECRETS OF MENTAL MATH, The Great Courses Plus, The Teaching Company, United States Of America, 2011.