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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.

STEREOTYPE PRINT.

NET-LONDON: PRINTED AND PUBLISHED BY SAMUEL GREEN,

Proprietor of the Copy-Right.

D2

District of Corngridcyf, st : BE

E IT REMEMBERED, That on the eleventh day of com

ry, in the forty-ninth year of the independence of the u States of America, SanUEL GREEN, of said District, bath deposi.

ted in this office, the title of a book, the right where. of he claims as proprietor. ig the words following, to wit : “Daball's schoolmaster's Assistant; improve ed and enlarged. Being a plain practical System of Arithmetis, adapted to the United States. By Na. than Daboll. With the addition

of the Practical Ac. countant; or Farmers' and Mechanies'i basi méthod of Book-keeping ; for the easy instruction of youth. Designed as a Compan. iou to Daboli's Arithmetic. By Samuel Green. Stereotype Priot.

In conformity to the act of Congress of the United States, enti. tled, “ An act for the encouragement of learning, by securing tho copies of maps, charts, and books to the authors and proprietora ef them, during the times th“rein mentioned.

CHARLES A. INGERSOLL,

Clerk of the District of Connecticut. A trac copy o record. Examined and sealed by me.

CHARLES A. INGERSOLL,

Elerk of the District of Connecticut

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YALE-COLLEGE, NOV. 27, 1799. I 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 Computaition of money. I think it will be a very useful book to Schoolmasters and their pupils.

JOSIAH MEIGS, Professor of

Mathematics and Natural Philosophy Now Surveyor General of the United States.]

I HAVE given some attention to the work above mentioned, and concur with Mr. Professor Meigs in his opin. ign of its merit.

NOAH WEBSTER. New Haven, December 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 opinion. According to its original design, I think it well

calculated to furnish Schools in general with a methodical, easy and comprehensive System of Practical Arithmetic." I therefore hope it

I therefore hope it may find a generous patronage, and have an extensive spread.

ASA MESSER, Professor of the Learned Languages, and Teacher of Mathematics Now President of that Institution.]

M111475

PLAINFIXLD ACADEMY, APRIL 20, 1802. I MAKE use of D AronI'S SCHOOLMASTER'S ASSISTANT, in teaching common Arthmetic, and think it the best calculated for that purpose of any which has fallen within any observation

JOHN ADAMS, Hector of

Plainfield Academy [Now Principal of Phillips Academy, Aldover, Mass.)

PILLÉRICA ACADEMY, (21ASS.) DEC. 10, 1807. HAVING examined Mr. DABOLL'S System of Arithmetic, I am pleased with the judgment displayed in his method, and the perspicuity of his explanations, and thinking it as easy and comprehensive a system as any with which I am acquainted, can cheerfully recomiend it to the patronage of Instructors.

SAMUEL WHITING,
Teacher of Mathematics.

FROM MR. KENNEDY; TEACHER OF MATHEMATICS.

I BECAME acquainted with Diboul's SC11002 MASTER'S ASSISTANT, in the year 1802, and on examining it attentively, gave it my decided preference to any other system extant, and immediately adopted it for the pupils under my charge ; and since that time have used it exclusively in elementary tuition, to the great advantage and improvement of the student, as well as the case and assistance of the Preceptor. I also tleem it equally well calculated for the henefit of individus', in private instruction; and think it my duty to give the labour and ingenuity of the author the tribute of iny hearty approval and recommendation.

ROGER KENNEDY New-York, March 20, 181..

in design of this work is to furnish the schools of the United States with a methodical and comprehensive system of Practical Arithmetic, in which I have endeavoured, through the whole, to have the rules as concise and familiar, as the nature of the subject will permit.

During the long period which I have devoted to the instruction of youth in Arithmetic, I have made use of various systems which have just claims to scientific merit; but the authors appear to have been deficient in an important point-the practical teacher's experience.They have been too sparing of examples, especially in the first rudiments; in consequence of which, the young pupil is hurried through the ground rules too fast for his capaoity. This objection I have endeavoured to obviate in the following treatise.

In teaching the first rules, I have found it best to encourage the attention of scholars by a variety of easy and familiar questions, which might serve to strengthen their minds as their studies grow more arduous.

The rules are arranged in such order as to introduce the most simple and necessary parts, previous to thos. which are more abstruse and difficult.

To enter into a detail of the whole work would be te. dious; I shall therefore notice only a few particulars, and refer the reader to the contents.

Although the Federal Coin is purely decimal, it is su nearly allied to whole numbers, and so absolutely necessary to be understood by every one, that I have introduced it immediately after addition of whole numbers, and also shown how to find the value of goods therein, imanediately after simple multiplication; which may be of great advantage to many, who perhaps will not have an opportunity of learning fractions.

In the arrangement of tractions, I have taken an entire new method, the advantages and facility of which will sufficiently apologize for its not teine recerceg to other

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