510 All T Allen, Edward Switzer, 1887- Six-place tables; a selection of tables of squares, cubes, squares roots, cube roots, fifth roots and powrs, circunferences and areas of circles, common logarithms of numbers and of the trigonometric functions, the natural trigonometric funtions, natural logarithms, exponential and hyperbolic funtions, with explanatory notes; 5 ta. ed. New York and London, McGraw-Hill book company, 1935 xxii, 175 p. 18 cm