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Calculator Books: The Calculator Puzzle Book

Title: The Calculator Puzzle Book

Author(s):

Claude Birtwistle – who published a number of books on calculators and mathematical puzzles.
First edition: 1978
Publisher: Paperfronts, Elliot Right Way Books, Kingswood, Surrey UK.
This example 1978 paperback by Paperfronts.  Made and printed in Great Britain by Cox & Wyman Ltd., London, Reading and Fakenham.
ISBN: 716006367
Printed pages 128
Cover: No credit given for the illustrations on the cover or inside
Size: 111mm x 180mm (w x h)
Price: £0.60 in the UK
Contents: Introduction, Puzzles, A note on calculator operation, Hints and answers, Index.  Roughly half taken up by puzzles and the other half by answers.
Comments: Broken down into 94 puzzles of various types ranging from mathematical puzzles, number patterns, number crosswords and tricks that make you faster than your calculator.  Easy to dip in and try one or two out with a good mix of puzzles.
Notable Quotes: “So you have a pocket calculator…and you still find it fascinating to push buttons and juggle about with numbers?”
And from the Publisher Paperfronts: “We seek the authoritative manuscript, giving editorial help to the inexperienced writer”.  “Resulting huge print runs maintain tremendous low-price value…”