Math Book on Solving Logarithms for Beginners | Explaining Logarithms

A math book by Dan Umbarger on solving logarithms
Explaining Math Logarithms
A Progression Of Ideas Illuminating an Important Mathematical Concept

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Math Logarithms

 
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Math Teacher Web Site | Math Book on Solving Logarithms

Dedication

This text is dedicated to every high school mathematics teacher whose high standards and sense of professional ethics have resulted in personal attacks upon their character and/or professional integrity.

Find comfort in the exchange between Richard Rich and Sir Thomas More in the play A Man For All Seasons by Robert Bolt.

Rich: “And if I were (a good teacher), who would know it?”

More: “You, your pupils, your friends, God. Not a bad public, that …”

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For bound copies contact the author at jdumbarger@aol.com.

John Napier, Canon of Logarithms, 1614

“Seeing there is nothing that is so troublesome to mathematical practice, nor doth more molest and hinder calculators, than the multiplications, divisions, square and cubical extractions of great numbers, which besides the tedious expense of time are for the most part subject to many slippery errors, I began therefore to consider in my mind by what certain and ready art I might remove those hindrances…Cast away from the work itself even the very numbers themselves that are to be multiplied, divided, and resolved into roots, and putteth other numbers in their place which perform much as they can do, only by addition and subtraction, division by two or division by three.”

As quoted in “When Slide Rules Ruled” by Cliff Stoll,
Scientific American Magazine, May 2006, pgs. 81-83

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Copyright © 2006-2013 by Dan Umbarger, Math Teacher Website: mathlogarithms.com. Last updated: 07/04/13.
Single pdf copies for individuals may be freely downloaded, saved, and printed for non-profit educational purposes only.
Donations welcome and appreciated! If you would like to order multiple bound copies, please order here.

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