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THE

535-0

COMPLETE ALGEBRA.

FOR HIGH SCHOOLS, PREPARATORY SCHOOLS, AND
ACADEMIES.

BY

EDWARD OLNEY,
Professor of Mathematics in the University of Michigau.

NEW EDITION.

NEW YORK

SHELDON & COMPANY,

8 MURRAY STREET.

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This Series has more examples, and at less price, than any ever published.

SCIENCE OF ARITHMETIC.

(A strictly High School Text-Book.)

Send for full Circular of OLNEY'S ARITHMETICS.

FIRST PRINCIPLES OF ALGEBRA.

COMPLETE ALGEBRA. (Newly electrotyped in large type.)

NEW GEOMETRY. (In preparation.)

Copyright, 1870, 1875, 1878, 1881, by Sheldon & Co.

SMITH & MCDOUGAL, ELECTROTYPERS,

82 Beekman St., N. Y.

REFACE

THIS book is a new edition of the author's Complete Algebra. The changes made in the original work are not sufficient to preclude the use of the old edition in classes with the new. The matter of the new edition runs article for article, and, with very inconsiderable differences, page for page, with the old. The changes made consist in the breaking up of the longer definitions and rules into short paragraphs, for the convenience of teacher and pupil in the class-room, the simplification of a few of the more abstruse demonstrations, the omission of quite a large number of 'suggestions" to teacher and to pupil, and the substitution of simpler problems for a few that teachers generally have thought too difficult. These changes, together with the larger and more open page, and the more beautiful typography, it is thought will render the book still more acceptable to teachers than it has hitherto been.

66

In effecting this revision the author has had the aid of several accomplished teachers who have been familiar with the practical workings of the book in the class-room. Of these, Prof. C. H. Churchill, of Oberlin College, has read the entire book and offered suggestions freely. With reference to the changes made in the problems, the author has

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