F

AN

ELEMENTARY TREATISE

ON

ALGEBRA,

THEORETICAL AND PRACTICAL.

ELEMENTARY TREATISE

ON

ALGEBRA,

THEORETICAL AND PRACTICAL,

ADAPTED TO THE INSTRUCTION OF YOUTH IN
SCHOOLS AND COLLEGES.

BY JAMES RYAN,
AUTHOR OF "A KEY TO BONNYCASTLE'S ALGEBRA."

Och 1825

TO WHICH IS ADDED,

AN APPENDIX,

CONTAINING AN ALGEBRAIC METHOD OF DEMONSTRATING THE
PROPOSITIONS IN THE FIFTH BOOK OF EUCLID'S ELE-
'MENTS, ACCORDING TO THE TEXT AND AR-
RANGEMENT IN SIMSON'S EDITION,

BY ROBERT ADRAIN, LL.D. F.A.P.S. F.A.A.S., &c.

And Professor of Mathematics and Natural Philosophy, in Columbia
College, New-York.

New-York:

PUBLISHED BY COLLINS AND HANNAY,

NO. 230 PEARL-STREET.