Electronic Proceedings of the Twenty-third Annual International Conference on Technology in Collegiate Mathematics

Denver, Colorado, March 17-20, 2011

Paper C012

This is an electronic reprint, reproduced by permission of Pearson Education Inc. Originally appeared in the Proceedings of the Twenty-third Annual International Conference on Technology in Collegiate Mathematics, ISBN 0-321-68984-4, Copyright (C) 2012 by Pearson Education, Inc.


Approximation of Roots of Equations with a Hand-Held Calculator

Jay Villanueva


Florida Memorial University

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ABSTRACT

We often need fast, simple, accurate solutions to equations. Here we present several nontrivial approximations of roots of equations, polynomial or non-polynomial, using the hand-held calculator, derived from classical methods. Definite advantages are the calculators' ready availability, the high level of precision, and the ease in implementation of the various techniques.

Keyword(s): calculators