A treatise on algebra : George Peacock. Reprinted from the 1842 ed. Vol. 1 : arithmetical algebra / Peacock, George, 1791-1858. Algebra. Numbers, Complex. Plane trigonometry. QA154 .P35 1940 512 PET Vol. 2, "reprinted from the 1845 edition." New York, N.Y., Scripta mathematica, Yeshiva college, 1940. 1940. 1940 Text x, 399 p. : eng