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MATHEMATICS AND PHYSICS.
9


Trigonometry for Beginners. As far as the Solution of Triangles. 16mo. 75 cents.

Key. $1.75.

Elementary Trigonometry. Sixth Edition. (In this edition the chapter on Logarithms has been carefully revised.) 16mo. $1.10.

Key. $2.25.

Higher Trigonometry. Fifth Edition. 16mo. $1.00.

Two Parts in one volume. $1.90.

The Trigonometry of One Angle. 12mo. Cloth, 65 cents.

A Treatise on Elementary and Higher Trigonometry. 16mo. $1.90.

LONEY: Plane Trigonometry. By S. L. Loney, M.A. An Elementary Course, excluding the Use of Imaginary Quantities. Fcap. 8vo.

Part I. $1.40. Complete. $1.90.

McCLELLAND and PRESTON: A Treatise on Spherical Trigonometry. With Applications to Spherical Geometry, and Numerous Examples. By William J. McClelland, M.A., and Thomas Preston, B.A. 12mo.

Part I. $1.10. Part II. $1.25. Two Parts in one volume, $2.25.

NIXON: Elementary Plane Trigonometry. By R. C. J. Nixon. $1.90.

PALMER: Practical Logarithms and Trigonometry, Text-Book of. By J. H. Palmer. 16mo. $1.10.

SNOWBALL: The Elements of Plane and Spherical Trigonometry. By J. C. Snowball, M.A. Fourteenth Edition. 12mo. $1.90.

TODHUNTER: Works by Isaac Todhunter, F.R.S.

Trigonometry for Beginners. New Edition. 18mo. 60 cents.

Key. $2.25.

Plane Trigonometry. 12mo. $1.30.

Key. $2.60.

A Treatise on Spherical Trigonometry. For the Use of Colleges and Schools. 12mo. $1.10.

TODHUNTER and HOGG: Plane Trigonometry. By Isaac Todhunter. New Edition. Revised by R. W. Hogg, M.A., Fellow of St John's College, Cambridge. 12mo. $1.10.

VYVYAN: Introduction to Plane Trigonometry. By the Rev. T. G. Vyvyan, M.A. Third Edition, Revised and Corrected. 90 cents.

WARD (G. H.): Trigonometry Examination Papers. 60 cents.

WOLSTENHOLME: Examples for Practice in the Use of Seven-Figure Logarithms. By Joseph Wolstenholme, D.Sc. 8vo. $1.25.

PROBLEMS AND QUESTIONS IN MATHEMATICS.

ARMY PRELIMINARY EXAMINATION (Specimens of Papers set at the), 1882-89. With Answers to the Mathematical Questions. Subjects: Arithmetic, Algebra, Euclid, Geometrical Drawing, Geography, French, English, Dictation. 12mo. 90 cents.

BALL: Mathematical Recreations and Problems. By W. W. Rouse Ball. $2.25.

CAMBRIDGE Senate-House Problems and Riders, with Solutions.

1875. Problems and Riders. Edited by A. G. Greenhill, M.A. 12mo. $2.25.