A Treatise on Analytic Geometry: Especially as Applied to the Properties of Conics; Including the Modern Methods of Abridged Notation

A Treatise on Analytic Geometry: Especially as Applied to the Properties of Conics; Including the Modern Methods of Abridged Notation

A Treatise on Analytic Geometry: Especially as Applied to the Properties of Conics; Including the Modern Methods of Abridged Notation

A Treatise on Analytic Geometry: Especially as Applied to the Properties of Conics; Including the Modern Methods of Abridged Notation

Ray's Algebra, Part Second: An Analytical Treatise Designed for High Schools and Colleges

Three Thousand Test Examples in Arithmetic: Drill Exercises for Review : Prepared for the Mathematical Course of Joseph Ray

Ray's New Practical Arithmetic: A Rev. Ed. of the Practical Arithmetic

Ray's Modern Intellectual Arithmetic: A Revised Edition of Ray's Intellectual Arithmetic

Practical Arithmetic, by Induction and Analysis

Elements of Algebra: For Colleges, Schools and Private Students

Ray's Arithmetical Key: Containing Solutions to the Questions in Ray's Third Book, and to Some of the Most Difficult Questions in the Second Book

Ray's New Intellectual Arithmetic

New Elementary Algebra: Primary Elements of Algebra, for Common Schools and Academics

The Rudiments of Arithmetic: Embracing Mental and Written Exercises for Beginners

Ray's Arithmetic, Second Book: Intellectual Arithmetic by Induction and Analysis

New Elementary Algebra: Primary Elements of Algebra, for Common Schools and Academics

Ray's New Higher Arithmetic: A Revised Edition of the Higher Arithmetic

Ray's New Intellectual Arithmetic

Elements of Algebra: For Colleges, Schools, and Private Students

Practical Arithmetic, by Induction and Analysis