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SCIENCE OF NUMBERS,
GENERAL RULES FOR THEIR APPLICATION.
BY CHARLES DAVIES, LL.D.,
AUTHOR OT PRIMARY, INTELLECTUAL, AND SCHOOL ARITHMETICS; ELEMENTARY
UTILITY OF MATHEMATICS
Tuz attention of Teachers is respectfully invited to the Revised EUITIONS of
Davies' Arithmetical Series
FOR SCHOOLS AND ACADEMIES.
1. DAVIES' PRIMARY ARITHMETIO.
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.
Entered according to Act of Congress, in the year ono thousand eight hundred and
BY CHARLES DAVIES, In the Clerk's Office of the District Court of the United States for the Southern
District of New York.
THE TEACHERS OF THE UNITED STATES,
TREATISE ON ARITHMETIC,
THE LAST OF A SERIES OF WORKS DESIGNED TO LESSEN THE LABOR
AND IMPROVE THE SYSTEMS OF TEACHING,
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