DABOLL'S ROE HEROM SCHOOLMASTER'S ASSISTANT IMPROVED AND ENLARGED: BEING A PLAIN PRACTICAL SYSTEM OF ARITHMETIC, ADAPTED TO THE UNITED STATES. BY NATHAN DABOLL WITH THE ADDITION OF THE BEST METHOD OF BOOK-KEEPING DESIGNED AS A COMPANION TO DABOLL's ARITHMETIC. BY SAMUEL GREEN. UTICA: PRINTED AND SOLD BY HASTINGS & TRACT, 1829. Educ 7118.29,314 DISTRICT OF CONNECTICUT, 88. L. S. BE IT REMEMBERED. That on the eleventh day of January, in the forty-ninth year of the independence of the United States of America, SAMUEL GREEN, of said District, hath deposited in this office the title of a Book, the right whereof he claimsas Proprietor, in the words following, to wit: "Daboll's Schoolmaster's Assistant: improved and enlarged. -Being a plain, practical system of Arithmetic adapted to the United States. By Nathan Daboll. -With the addition of the Practical Acountant, or Farmers' and Mechanics' best method of Book-keeping for the easy instruction of Youth. Designed as a companion to Daboll's Arithmetic. By Samuel Green." In conformity to the Act of Congress of the United States, entitled," An Act for the encouragement of learning, by securing the copies of Maps, Charts and Books, to the Authors. and proprietors of them during the times therein mentioned. CHARLES A. INGERSOLL, Clerk of the District of Connecticut. A true copy of Record. Examined and sealed by me: CHARLES A. INGERSOLL. Clerk of the District of Connecticut. HARVARD Thetsher 16 Yale-College, Nov. 27, 1799. HAVE read DABOLL'S SCHOOLMASTER'S ASSISTANT. The arrangement of the different branches of Arithmetic is judicious and perspicuous. The author has well explained Decimal Arithmetic, and has applied it in a plain and elegant manner in the solution of various questions, and especially to those relative to the Federal Computation of money. I think it will be a very useful book to Schoolmasters and their pupils. JOSIAH MEIGS, Professor of I HAVE given some attention to the work above men New-Haven, Dec. 12, 1799. Rhode-Island College, Nov. 30, 1799 I HAVE run through Mr. DABOLL'S SCHOOLMASTER'S ASSISTANT, and have formed of it a very favourable opin- ASA MESSER, Professor of the |