![]() ![]() work at it, it will give you great joy and satisfaction. If you are interested in keeping your mind active - the Abacus is a great 'toy' (- on more levels than you can imagine) and learning the Wisdom of the Ancients, giving yourself a mental workout - this is the book for you! However, the exact design of this suanpan is not known. Then there came a second camp who believed that the abacus was invented in the middle period of the Yuan Dynasty (1206AD-1368AD) and became widely used in early Ming Dynasty (1368AD-1644AD). ![]() It also explains the ancient extra bead method and the suspended bead method. Underneath the pragmatism and the obvious scholarship, I think Mr Green as a great LOVE of this subject, which he doesn't reveal, but has most generously given - donated - to us all. The suanpan ( simplified Chinese: traditional Chinese: pinyin: sunpn ), also spelled suan pan or souanpan 1 2) is an abacus of Chinese origin first described in a 190 CE book of the Eastern Han Dynasty, namely Supplementary Notes on the Art of Figures written by Xu Yue. But other scholars disapproved this assertion by classifying the mentioned tool as a gadget used only for addition and subtraction. This pocket edition book will teach you step-by-step how to perform addition, subtraction, division, multiplication, square roots and cube roots on a Chinese abacus. I personally feel the author/publisher (Mr Paul Green) deserves an award for 'plain speaking'! His guide and diagram illustrations are most helpful, and could be easily understood by a kid, teenager, or an old bloke like me! How To Use A Chinese Abacus - A Step-By-Step Guide to Addition, Subtraction, Multiplication, Division, Roots and More. The explanations and diagrams are most lucid and helpful and and *meticulous* in the instuctions. It is a very succinct and helpful guide to working the ancient (Chinese or Japanese) calculating systems that preceded the electronic calculator. Chinese Zhusuan is a time-honoured traditional method of performing mathematical calculations with an abacus. This is the best twenty quid I have spent this year so far! ![]()
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