Similarly, an infinite-resolution telescope is used to represent infinite numbers.

## Elementary Calculus: An Infinitesimal Approach

The book was first reviewed by Errett Bishop , noted for his work in constructive mathematics. Bishop's review was harshly critical; see Criticism of non-standard analysis. Sullivan, [5] as part of her Ph. O'Donovan also described his experience teaching calculus using infinitesimals. His initial point of view was positive, [9] but later he found pedagogical difficulties with approach to non-standard calculus taken by this text and others. It is revolutionary.

Revolutions are seldom welcomed by the established party, although revolutionaries often are. Between the first and second edition of the Elementary Calculus , much of the theoretical material that was in the first chapter was moved to the epilogue at the end of the book, including the theoretical groundwork of non-standard analysis.

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In the second edition Keisler introduces the extension principle and the transfer principle in the following form:. This first-year calculus book is centered around the use of infinitesimals.

It contains all the ordinary calculus topics, including the basic concepts of the derivative, continuity, and the integral, plus traditional limit concepts and approximation problems. Additional subjects include transcendental functions, series, vectors, partial derivatives, and multiple integrals.

This book is concerned with the infinitesimal approach originally set forth by Newton and Leibnitz, using Non-standard Analysis. The author has moved the theoretical material from Chapter One to an Appendix in this edition. A new chapter on differential equations has been added and the transcendental functions have been fully integrated into the first section.

## Jerome Keisler. Elementary calculus, an infinitesimal approach

This book should be of interest to first and second year undergraduate mathematics students. Book Site. Want to know Runways information of a particular airport?

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- 1 Real and Hyperreal Numbers.
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