Ihre Suche nach Zahlentheorie

Containing Such Elements of the Said Arts Or Sciences As Are Most Useful and Easy to Be Known

Embracing Mental and Written Exercises for Beginners

Containing a Compendious System of Theoretical and Practical Arithmetic, Compiled for the Use of Schools and Private Students in the United States

With Instructions for Its Use ... Designed to Impart to Learners a Clear and an Adequate Knowledge of the Principles of Arithmetic, and to Accompany the Apparatus

In Which Mental Arithmetic Is Combined With the Use of the Slate: Containing a Complete System for All Practical Purposes Being in Dollars and Cents

A New Art; Volume 2

Divinitas' Mathematics

A Collection of Number Theory Essays, Articles, and Short Stories

In Which Mental Arithmetic Is Combined With the Use of the Slate: Containing a Complete System for All Practical Purposes Being in Dollars and Cents