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tranfient reading of it will justify the idea.

The enlarged multiplication table will be got off, by those who are advanced in arithmetic, in lefs time than they formerly employed on the common one. The fame may be faid of the pence table. When they are once properly fixed, they will no more escape the

mon ones.

memory than the com

By reading the rules, and applying them to the examples, they will become familiar, and as they are selfevident, will be no manner of burden to the memory. It will be neceffary

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to be capable of inftantly dividing twe or three figures, as 78, 216, 265, by any small divifor, efpecially 2 or 4. This may easily be attained by a little practice.

If young gentlemen in Boardingfchools and Academies, who are intended for commerce, be furnished with this treatise a month or two before their leaving fchool, they will, undoubtedly, on entering into a counting-house, have a vast fuperiority over fuch as never attempted any confiderable calculation without a pen.

To youth, who have already entered into a commercial line, this book is also respectfully offered.

The

The great advantage of this expeditious mode of computation, and the uncommon fatisfaction which concisenefs in accounts gives to the mind, will, I humbly venture to hope, make it, when known, generally adopted and encouraged.

LAMBETH,

January 1st, 1788.

T. WHITING,

ADVERTISEMENT.

YOUNG GENTLEMEN are boarded, and expeditiously taught, near WestminsterBridge, Lambeth, English, Writing, Arithmetic, Book-keeping, Geometry, Trigonometry, Menfuration, Navigation, Longitude by Obfervation, Algebra, Fluxions, Aftronomy, &c.

BY

THE AUTHOR AND ASSISTANTS,

CON

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