ARITHMETIO, IN WHICH THE PRINCIPLES OF OPERATING BY NUMBERS ARE ANALYTICALLY EXPLAINED, AND SYNTHETICALLY APPLIED THUS COMBINING THE ADVANTAGES TO BE DERIVED BOTH FROM THE INDUCTIVE AND SYNTHETIC MODE OF INSTRUCTING: THE WHOLE MADE FAMILIAR BY A GREAT VARIETY OF USEFUL AND INTER- LIFE. DESIGNED FOR THE USE OF SCHOOLS AND ACADEMIES IN THE UNITED STATES. BY DANIEL ADAMS, M. D. KEENE, N. H. |