THE

SCIENCE

OF

ARITHMETIC,

FOR

HIGH SCHOOLS, NORMAL SCHOOLS, PREPARATORY
DEPARTMENTS TO COLLEGES, AND ACADEMIES.

BY EDWARD OLNEY,

PROFESSOR OF MATHEMATICS IN THE UNIVERSITY OF MICHIGAN, AND AUTHOR
OF A SERIES OF MATHEMATICAL TEXT-BOOKS.

JOHN S. PRELL

Civil & Mechanical Engineer.
SAN FRANCISCO, CAL.

NEW YORK:

SHELDON & COMPANY,