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, Α.Β., and F. C. TOUTON, PH.B. Plane Geometry By WILLIAM BETZ, M.A., and H. E. WEBB, А.В. 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, А.В. HEAD OF THE DEPARTMENT OF MATHEMATICS IN THE CENTRAL NEWARK, NEW JERSEY WITH THE EDITORIAL COÖPERATION OF PERCEY F. SMITH PROFESSOR OF MATHEMATICS IN THE SHEFFIELD SCIENTIFIC GINN AND COMPANY BOSTON NEW YORK CHICAGO LONDON |