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UNIVERSITY ARITHMETIC,

AMBRACING THE

SCIENCE OF NUMBERS,

AND

GENERAL RULES FOR THEIR APPLICATION.

BY CHARLES DAVIES, LL.D.,

AUTHOR OT PRIMARY, INTELLECTUAL, AND SCHOOL ARITHMETICS; ELEMENTARY
ALGEBRA; ELEMENTARY GEOMETRY ; PRACTICAL MATHEMATICS; ELEMENTS
OF SURVEYING; ELEMENTS OF ANALYTICAL GEOMETRY; DESCRIPTIVE
GEOMETRY ; SHADES, SHADOWS, AND PERSPECTIVE; DIFFER-
ENTIAL AND INTEGRAL CALCULUS; AND LOGIC AND

UTILITY OF MATHEMATICS

NEW YORK:
A. S. BARNES & Co., 111 & 113 WILLIAM STREET.

BOSTON:
WOOLWORTH, AINSWORTH & Co.

Tuz attention of Teachers is respectfully invited to the Revised EUITIONS of

Davies' Arithmetical Series

FOR SCHOOLS AND ACADEMIES.

1. DAVIES' PRIMARY ARITHMETIO.
2. DAVIES' INTELLECTUAL ARITHMETIO.
3. DAVIES' PRACTICAL ARITHMETIO.
4. DAVIES' UNIVERSITY ARITHMETIO.
5. DAVIES' PRACTICAL MATHEMATICS.

The above Works, by CHARLES DAVIES, LL.D., Author of a Complete Course of Mathematics, are designed as a full Course of Arithmetical Instruction necessary for the practical duties of business life; and also to prepare the Student for the more advanced Series of Mathematics by the same Author.

The following New Editions of Algebra, by Professor Davies, are commended to the attention of Teachers :

1. DAVIES' NEW ELEMENTARY ALGEBRA AND KEY.
2. DAVIES' UNIVERSITY ALGEBRA AND KEY.
3. DAVIES' BOURDON'S ALGEBRA AND KEY.

Entered according to Act of Congress, in the year ono thousand eight hundred and

sisty-four,

BY CHARLES DAVIES, In the Clerk's Office of the District Court of the United States for the Southern

District of New York.

TO

THE TEACHERS OF THE UNITED STATES,

THIS

TREATISE ON ARITHMETIC,

THE LAST OF A SERIES OF WORKS DESIGNED TO LESSEN THE LABOR

AND IMPROVE THE SYSTEMS OF TEACHING,

IS

RESPECTFULLY DEDICATED,

BY

THE AUTHOR.

IT IS OFFERED AS A TOKEN OF HIS GRATEFUL APPRECIATION OF THE INDULGENOE WITA WHICH RIB OTHER WORKS HAVE BEEN RECEIVED, AND AS A TESTIMONY

OF HIS REGARD FOR THOSE WITH WHOM HE HAS LONG BEEN A 00

LABORER IN THE WOPK OY PUBLIO INSTRUOTION

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