![]() ![]() ![]() 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. 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! 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. This is the best twenty quid I have spent this year so far! To learn more about how and for what purposes Amazon uses personal information (such as Amazon Store order history), please visit our Privacy Notice. You can change your choices at any time by visiting Cookie Preferences, as described in the Cookie Notice. Click ‘Customise Cookies’ to decline these cookies, make more detailed choices, or learn more. Third parties use cookies for their purposes of displaying and measuring personalised ads, generating audience insights, and developing and improving products. This includes using first- and third-party cookies, which store or access standard device information such as a unique identifier. If you agree, we’ll also use cookies to complement your shopping experience across the Amazon stores as described in our Cookie Notice. We also use these cookies to understand how customers use our services (for example, by measuring site visits) so we can make improvements. We use cookies and similar tools that are necessary to enable you to make purchases, to enhance your shopping experiences and to provide our services, as detailed in our Cookie Notice. ![]()
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