No author has gone as far as Doerfler in covering methods of mental calculation beyond simple arithmetic. Even if you have no interest in competing with. Dead Reckoning: Calculating Without Instruments. Front Cover. Ronald W. Doerfler. Gulf Publishing Company, – Mathematics – pages. The Paperback of the Dead Reckoning: Calculating Without Instruments by Ronald W. Doerfler, Doerfler | at Barnes & Noble. FREE Shipping.

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This area discusses my long-standing interest in precise, elegant sundial designs.

Dead Reckoning: Calculating Without Instruments – Ronald W. Doerfler – Google Books

I will donate the book to the library. Newsletter Be the first to know, sign up for our newsletter: Write a customer review.

If you have the algebra but not the rest, you can follow this book but it will take some chewing to follow the discussions. Discover Prime Book Box for Kids. This chapter provides an introduction to the motivation and purpose of the dear, as well as an overview of its contents. The Math Teachers Know.

You submitted the following rating and review. His website contains many very interesting and original essays on similar areas of mathematics, of which the top mathematics level is here. Graphs provide error curves for each method as a means of evaluating them.

Please allow extra time during peak holiday periods. Techniques are offered only rarely for the general mental arithmetic. This is the email address that you previously registered with on angusrobertson.


See all 9 reviews. Primitives This doerfle describes techniques related to multiplication, division and repeating decimals, greatest common divisor GCDerror-checking and divisibility tests, and factoring numbers.

Calculus II For Dummies. This book describes techniques of computation and xead that can be used to rapidly and mentally calculate mathematical quantities. Grant Nixon published a very nice review, and followed up with very interesting correspondence on the book.

Chi ama i libri sceglie Kobo e inMondadori. No trivia or quizzes yet. There are discussion boards devoted to: This chapter provides a brief description feckoning methods for finding the roots of perfect powers, then delves into methods for mentally approximating square roots, a general method for mentally extracting square roots to any number of digits that is more powerful than the traditional method, an iterative technique for reciprocal square roots, and extensions of these methods to cube and higher-order roots.

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They are not shortcuts, rather, the book is aimed at sharpening the mental reckonimg needed to perform “mathematical acrobatics”. Selected methods of past and present lightning calculators are combined with number theory, early computer algorithms, and relatively modern techniques of numerical analysis to provide a unique set of tools for rapidly and mentally finding products, quotients, roots of non-perfect powers, trigonometric values, and logarithmic and exponential values.

Astrolabes This area provides an overview and a detailed analysis of the designs and uses of astrolabes and other intriguing ancient analog computers used for astronomical calculations.

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Calculating Without Instruments book and mental calculation and mental calculators of all kinds Dead Reckonings: One of these items ships sooner than the other. A Course in Combinatorics. Victor marked it as to-read Oct 28, Approaches to Quantitative Research: Sundials This area recckoning my long-standing interest in precise, elegant sundial designs. Amazon This section provides readers with resource material related to my book, Dead Reckoning: This led in part to the creation soerfler this webpage.

Dead Reckoning by Ronald W. Doerfler | Angus & Robertson | Books –

In some ways, this is the story of the book itself; like a good textbook, it’s not a fast read, but something you have to come back to repeatedly. English Choose a language for shopping. This books is a wonderful treasury of number sense that is riddled with typos. Brian Thompson rated it really liked it Jul 12, Unlike most of the books in this genre this dorrfler does not waste space with endless examples and practice problems, anybody can create there own. Berk marked it as to-read Apr 29, See if you have enough points for this item.

Dead Reckoning failed to meet expectations – that of being able to mentally or quickly do rudimentary math excersizes such as finding square roots, large multiplication, etc.