In regard to motive I shall say little. High professions of disinterestedness in an author's preface, seldom obtain implicit credence; and that for the best possible reason, they seldom deserve it. I should be pleased with a compensation for my labour, and hope that the public will find in the utility of the work, an equivalent for the expense i costs them. Providence, October, 1826. ROSWELL C. SMITH. PRACTICAL AND MENTAL ARITHMETIC. Repeat the Addition and Subtraction Table. 2 and 1 are 3 3and1lare 14 5 and Sare 13 |