An Unabridged Printing Of The Sixth Edition With All Figures: The Point (Des Cartes' Method Of Coordinates, Distinction Of Signs, Distance Between Two Points, Its Sign, Coordinates Of Point Cutting That Distance In A Given Ratio, Transformation Of Coordinates, Polar Coordinates) - The Right Line (Two Equations Represent Points, A Single Equation Represents A Locus, Geometric Representation Of Equations, Equation Of A Right Line Parallel To An Axis, Etc.) - Examples On The Right Line (Investigation Of Rectilinear Loci, Of Loci Leading To Equations Of Higher Degree, Center Of Mean Position Of A Series Of Points, Etc.) - The Right Line-Abridged Notation (Bisectors Of Angles, Bisectors Of Sides, Equations Of A Pair Of Lines Equally Inclined To A And Beta, Theorem Of Anharmonic Section Proved, Algebraic Expression For Anharmonic Ratio Of A Pencil, Etc.) - The Circle (Equation Of A Circle, Conditions That General Equation May Represent A Circle, Coordinates Of Center And Radius, Condition That Two Circles May Be Concentric, Etc.) - Examples On Circle (Circular Loci, Condition That Intercept By Circle On A Given Line May Subtend A Right Angle At A Given Point, Conjugate And Self-Conjugate Triangles, Etc., Etc.) - Properties Of Two Or More Circles - The Circle-Abridged Notation - General Equation Of Second Degree - Central Equations - The Parabola - Examples Of Conics - Abridged Notation - Reciprocal Polars - Harmonic And Anharmonic Properties - The Method Of Projection - Invariants And Covariants - Method Of Infinitesimals - Notes - Comprehensive Index