An introduction to the modern theory of equations, by Florian Cajori. (The Michigan Historical Reprint Series)

An Unabridged Printing: Some Elementary Properties Of Equations - Elementary Transformations Of Equations - Location Of The Roots Of An Equation - Approximation To The Roots Of Numerical Equations - The Algebraic Solution Of The Cubic And Quartic - Solution Of Binomial Equations And Reciprocal Equations - Symmetric Functions Of The Roots - Elimination - The Homographic And The Tschirnhausen Transformations - On Substitutions - Substitution Groups - Resolvents Of Lagrange The Galois Theory Of Algebraic Numbers, Reducibility - Normal Domains - Reduction Of The Galois Resolvent By Adjunction - The Solution Of Equations Viewed From The Standpoint Of The Galois Theory - Cyclic Equations - Abelian Equations - The Algebraic Solution Of Equations - Answers - Comprehensive Index