1

A

THEORETICAL AND PRACTICAL

TREATISE ON

ALGEBRA;

;

IN WHICH THE EXCELLENCIES OF THE DEMONSTRATIVE METHODS OF THE
FRENCH, ARE COMBINED WITH THE MORE PRACTICAL OPERATIONS

OF THE ENGLISH; AND CONCISE SOLUTIONS POINTED

OUT AND PARTICULARLY INCULCATED.

DESIGNED FOR SCHOOLS, COLLEGES AND PRIVATE STUDENTS

BY H. N. ROBINSON, A. M.,

FORMERLY PROFESSSOR OF MATHEMATICS IN THE U. S. NAVY; AUTHOR OF A
TREATISE ON ARITHMETIC; NATURAL PHILOSOPHY; ASTRONOMY, ETC.

EIGHTH FDITION.

CINCINNATI:

JACOB ERNST, NO. 183, MAIN STREET:

ALBANY, NEW YORK:

ERASTUS H. PEASE & CO., 82, STATE STREET

Entered, according to Act of Congress, in the year 1847,

BY HORATIO N. ROBINSON,

In the Clerk's Office of the District Court of the State of Ohio.