MATHEMATICAL TEXTS FOR SCHOOLS

Edited by PERCEY F. SMITH, PH.D.

Professor of Mathematics in the Sheffield Scientific School of Yale University

First Course in Algebra

Second Course in Algebra

Complete School Algebra

By H. E. HAWKES, PH.D., W. A. LUBY, A.B., and F. C. TOUTON, PH.B.

Plane Geometry

By WILLIAM BETZ, M.A., and H. E. WEBB, A.B.

Advanced Algebra

By H. E. HAWKES, PH.D.

Plane and Spherical Trigonometry and Four-Place
Tables of Logarithms

Plane and Spherical Trigonometry

Plane Trigonometry and Four-Place Tables of
Logarithms

Four-Place Tables of Logarithms

By W. A. GRANVILLE, PH.D.

PLANE GEOMETRY

BY

WILLIAM BETZ, A.M.

VICE-PRINCIPAL AND HEAD OF THE DEPARTMENT OF MATHEMATICS
IN THE EAST HIGH SCHOOL, ROCHESTER, NEW YORK

AND

HARRISON E. WEBB, A.B.

HEAD OF THE DEPARTMENT OF MATHEMATICS IN THE CENTRAL
COMMERCIAL AND MANUAL TRAINING HIGH SCHOOL
NEWARK, NEW JERSEY

WITH THE EDITORIAL COÖPERATION OF

PERCEY F. SMITH

PROFESSOR OF MATHEMATICS IN THE SHEFFIELD SCIENTIFIC
SCHOOL OF YALE UNIVERSITY

GINN AND COMPANY

BOSTON NEW YORK CHICAGO LONDON