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  • Think Like A Maths Geniusby Arthur Benjamin; Michael Shermer

    Souvenir Press 2011; US$ 18.94

    How to calculate almost anything in your head. Did you know that it's easier to add and subtract from left to right, rather than the other way round? You can be taught to square a three-digit number in seconds. Learn how to perform lightning calculations in your head, discover methods of incredible memorisation and other feats of mental agility.... more...

  • Secrets of Mental Mathby Arthur Benjamin; Michael Shermer

    Crown Publishing Group 2008; US$ 14.00

    These simple math secrets and tricks will forever change how you look at the world of numbers. Secrets of Mental Math will have you thinking like a math genius in no time. Get ready to amaze your friends?and yourself?with incredible calculations you never thought you could master, as renowned ?mathemagician? Arthur Benjamin shares his techniques... more...

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