WENTWORTH'S SERIES OF MATHEMATICS. First Steps in Number. Mental Arithmetic. Primary Arithmetic. Elementary Arithmetic. Grammar School Arithmetic. High School Arithmetic. Exercises in Arithmetic. School Algebra. College Algebra. New Plane Geometry. New Plane and Solid Geometry. Analytic Geometry. Exercises in Geometry. New Pl. and Sol. Geometry and Pl. Trigonometry. Plane Trigonometry and Tables. Plane and Spherical Trigonometry. Surveying. Pl. and Sph. Trigonometry, Surveying, and Tables. Logarithmic and Trigonometric Tables (Seven). |