- Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks - Arthur Benjamin Michael Shermer - Books

Categories

  • Surprising! 67  

    Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks (Paperback)
    This is only mental arithmetic (as the title suggests). Some rules impressive and yet I had never seen before in scientific studies. For example: - * 73 77 result that I can now give less than 2 seconds - 47au square, ditto ...
    Buy at Amazon.com

  • Great book! 8 3 6  

    Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks (Paperback)
    Really great book, math is sooooo easy now it's a joke. You'll still-have to practice A LOT to get it goal I4M starting to already-have a lot of fun with it. Enjoy!
    Buy at Amazon.com

  • Well written 1  

    Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks (Paperback)
    This book is easy to Understand and well written. I aussi contains an interesting chapter on pseudo-science and how to detect That.
    Buy at Amazon.com

  • Exactly what I Was looking for 24  

    Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks (Paperback)
    I really Learned a lot with this book. The authors are talking in the first person qui I liked a lot. And the tricks are easy to learn and entertaining to Practise. There are more stories of mathemagicians and It was interesting.
    Buy at Amazon.com