By D. A. MURRAY, Ph.D. FORMERLY INSTRUCTOR IN MATHEMATICS IN CORNELL UNIVERSITY; PROFESSOR OF MATHEMATICS IN DALHOUSIE COLLEGE, HALIFAX, N.S. INTRODUCTORY COURSE IN DIFFERENTIAL EQUATIONS, FOR STUDENTS IN CLASSICAL AND ENGINEERING COLLEGES. Pp. xvi +236. A FIRST COURSE IN INFINITESIMAL CALCULUS. Pp. xvii +439. PLANE TRIGONOMETRY, FOR COLLEGES AND SECONDARY SCHOOLS. With a Protractor. Pp. xiii + 212. SPHERICAL TRIGONOMETRY, FOR COLLEGES AND SECONDARY SCHOOLS. Pp. x + 114. PLANE AND SPHERICAL TRIGONOMETRY. In One Volume. With a Protractor. Pp. 349. PLANE AND SPHERICAL TRIGONOMETRY AND TABLES. In One Volume. Pp. 448. PLANE TRIGONOMETRY AND TABLES. In One Vol ume. With a Protractor. Pp. 324. LOGARITHMIC AND TRIGONOMETRIC TABLES. FIVEPLACE AND FOUR-PLACE. Pp. 99. NEW YORK: LONGMANS, GREEN, & CO. |