(i) Easy Numerical Trigonometry of the Right-Angled Triangle. By H. S. Carslaw, Sc.D. Pp. 96. 2s. 6d. (Angus and Robert) - (ii) Easy Numerical Trigonometry. By H. S. Carslaw, Sc.D. Pp. 142. (Angus and Robertson.) - (iii) Numerical Trigonometry. By P. Abbott, B.A. Pp. 163+33. 5s. 1919. (Longmans, Green and Co.) - (iv) Mathematical Tables and Formulae. By P. Abbott, B.A. Pp. 58. 2s. 1919. (Longmans, Green and Co.)
The Mathematical Gazette