MA THE MA TICS. 



Day PROPERTIES OF CONIC SECTIONS PROVED 



GEOMETRICALLY. Part I., THE ELLIPSE, 4h 

 Problems By the Rev. H. G. Day, M.A., Head Master of 

 Sedburgh Grammar School Crown 8vo. y. 6d. 



DodgSOn.— AN ELEMENTARY TREATISE ON DETER- 

 MINANTS, with their Application to Simultaneous Linear 

 Equations and Algebraical Geometry. By Charles L. Dodgson, 

 M.A., Student and Mathematical Lecturer of Christ Church, 

 Oxford. Small 4to. cloth. loj. 6d. 

 "A valuable addition to the treatises we possess on Modern Aleebra.'' 



—Educational Times. 



Drew GEOMETRICAL TREATISE ON CONIC SEC- 

 TIONS. By W. H. Drew, M.A., St. John's College, Cambridge. 

 Eourth Edition. Crown 8vo. cloth. 4j. dd. 



SOLUTIONS TO THE PROBLEMS IN DREW'S CONIC 

 SECTIONS. Crown 8vo. cloth. 4^. 6d. 



Earnshaw (S.) — partial differential equa- 



TIONS. An Essay towards an entirely New Method of Inte- 

 grating them. By S. Earnshaw, M.A., St. John's College, 

 Cambridge. Crown Svo. 5^-. 



Edgar (J, H.) and Pritchard (G. S.)— note-book on 

 PRACTICAL SOLID OR DESCRIPTIVE GEOMETRY. 

 Containing Problems with help for Solutions. By J. H. Edgar, 

 M.A., Lecturer on Mechanical Drawing at the Royal School of 

 Mines, and G. S. Pritchard, late Master for Descriptive 

 Geometry, Royal Military Academy, Woolwich. Second Edition, 

 revised and enlarged. Globe Svo. 3^. 



Ferrers. — AN ELEMENTARY TREATISE ON TRILINEAR 

 CO-ORDINATES, the Method of Reciprocal Polars, and the 

 Theory of Projectors. By the Rev. N. M. Ferrers, M. A., Fellow 

 and Tutor of Gonville and Caius College, Cambridge. Second 

 Edition. Crown Svo. 6s. 6d. 



Frost. — Works by PERCIVAL FROST, M.A., formerly FeUow 

 of St John's College, Cambridge ; Mathematical Lecturer of 

 King's College. 



AN ELEMENTARY TREATISE ON CURVE TRACING. By 

 Percival Frost, M.A. Svo. 12s. 



THE FIRST THREE SECTIONS OF NEWTON'S PRINCIPIA. 

 With Notes and Illustrations. Also a collection of Problems, 

 principally intended as Examples of Newton's Methods. By 

 Percival Frost, M.A. Second Edition. Svo. cloth, los. 6d. 



Frost and Wolstenholme. — a treatise on solid 

 GEOMETRY. By Percival Frost, M.A., and the Rev. J. 

 Wolstenholme, M.A., Fellow and Assistant Tutor of Christ's 

 College. Svo. cloth. i8s. 



