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This book will teach you step-by-step how to perform addition, subtraction, division, multiplication, square roots and cube roots on a Chinese abacus. It also explains the ancient 'extra bead' method and the 'suspended bead' method. Great for both children and adults. Clearly explained with text and pictures throughout every stage of your calculation.
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It occurred to me that a blind person might be able to calculations with an Abacus because the positions of the beads and therefore numeric values could be determined by touch. So I bought some Abacus machines. One to use and the others as memory stores plus this book.
I fully recommend the book because though it is for sighted people it teaches you every step very carefully. From my point of view I have been able to read it and teach blind people to do simple tasks. Very very good value.
This book is easily the best book out there for learning the abacus, especially for people with no previous abacus experience. It is so clear that it is not just for adults but young kids can use it. There are lots of examples all beautifully illustrated with easy to understand diagrams. The book has complete step-by-step instructions, starting with some easy examples and then moving on to more difficult ones. It didn't take me and the kids long to start using the abacus and we enjoyed every minute of it. I am also going to get the smaller pocket sized edition to read on the train on the way to work. I definitely recommend it.