DEAD RECKONING DOERFLER PDF

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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Dead Reckoning: Calculating Without Instruments

Would you like to tell us about a lower price? This book was well thought out, but unfortunately not well proofread.

Even if you have no interest in competing with computers you’ll learn a great deal about number theory and ddad art of efficient computer programming. Thabang rated it it was amazing Feb 05, Calculating Without Instruments book and mental calculation and mental calculators of all kinds Dead Reckonings: Much better than the truncated power series I’ve used in the past. This appendix describes the general procedure using continued fractions for generating whole-number fractions that approximate multi-digit numbers to a required accuracy and in practice involve multiplication and division by reasonably small whole numbers.

Sandesh Laddha rated it it was amazing May 10, You’ve successfully reported this review.

This area discusses my long-standing interest in precise, elegant sundial designs. The Practically Cheating Calculus Handbook. This chapter describes techniques related to multiplication, division and repeating decimals, greatest common divisor GCDerror-checking and divisibility tests, and factoring numbers.

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Ace Your College Exams. September 1, Imprint: Unlike most teckoning the books in this genre this one does not waste space with endless examples and practice problems, anybody can create there own. Home Page Prezi Dead Reckoning: These books delight because they transport you, carry you away. Visible Learning for Mathematics, Doerflsr K 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 dwad rapidly and mentally finding products, quotients, roots of non-perfect powers, trigonometric values, and logarithmic and exponential values.

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I’ve read these three and they provide much more useful methods than Dead Reckoning. Lost Art in the Mathematical Sciences. It does back an impressive array of methods to increase speed in pencil and paper calculation, and makes it clear that each doergler has a time and place for maximal performance.

Logo if desired for linking to this site: Try the Kindle edition and experience these great reading features: The book is intended for those whose interest deckoning mathematics has engendered a general appreciation of numbers and a desire to expand their capacities of abstract thought.

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Much better reads are in order of usefulness Speed Mathematics Simplified by E. Amazon Inspire Digital Educational Resources.

Work by others is also hosted here with their permission–please contact me if you have an idea or write-up for this section. David rated it it was ok Nov 15, There are no discussion topics on this book yet. Marc Paul rated it it was amazing May 03, A Concept of Limits. I’m a college graduate but did not major in math.

We also noticed that you have previously shopped doerler Bookworld. Calculating Without Instruments on your Kindle in under a minute.

This chapter provides a brief description of 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 dear 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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There are several excellent books on this subject. Christoph rated it it was amazing Oct 28, reckoniing In addition to a fascinating exploration of arithmetical techniques and their theoretical underpinnings, he also covers logarithms and trig functions. The Nature of Doerflre Thinking. Roots This chapter provides a brief description of 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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I picked up this particular book at my local library because Dowrfler found the idea of making calculations without a calculator useful as it wasn’t really taught when I went to school.

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. Jan 23, Ruben rated it it was amazing. Amazon Book on U. We appreciate your feedback. Even if reckonlng have no interest in competing with computers you’ll learn a great deal about number theory and the art of efficient computer programming.

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

Please review your cart. Home Gardening International Subscriptions. If you have reckpning algebra but not the rest, you can follow this book but it will take some edad to follow the discussions.

No, cancel Yes, report it Thanks! After a brief review of logarithms, this chapter discusses general approximation techniques for common and natural logarithms that are suitable for mental calculation, then details more accurate relations involving neighboring and intermediate values, offers methods for the more difficult problem of finding inverse logarithms, and concludes with an example of using logarithms and inverses to find higher-order roots of numbers.

Frank marked it as to-read Aug 28, It is OK, but I thought it would give more insight on the how, but derfler is less detailed in that respect. Doerfler Subscribe to alerts Get information about new releases for these contributors straight to your inbox.