Can you multiply 5132437201 by 452736502785 in seventy seconds without reaching for your calculator? Well you could if you used the techniques in this revolutionary book, now available in paperback at a time of growing concern about people's numeracy. 

The system, described as 'the shorthand of mathematics', only requires the ability to count from one to eleven. It is based on a series of simplified 'keys' and is easy to master giving greater speed, ease of handling numbers and increasing accuracy. Try it for yourself. I tried an extract on a well-known woman journalist, very capable in her own field, but barely able to count. The result was magical. --'Sunday Telegraph' .Teachers should read this book and consider deeply the implications of a new technique which could well revolutionise the teaching of mathematics. --'Teachers' World'. First developed during WW2, the Trachtenberg speed system makes possible high-speed arithmetical calculations with a remarkable degree of accuracy. The system has even been known to beat computer calculations - in some instances - in terms of speed '.

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