A New System of Arithmetic, on an Improved Plan: Embracing the Rules of Three, Single and Double, Direct and Inverse, Barter Loss and Gain, Reduction, Multiplication and Division of Fractions, Exchange of Currencies, Interest, and All Proportional Questio

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Fb&c Limited, Oct 25, 2018 - Mathematics - 328 pages
Excerpt from A New System of Arithmetic, on an Improved Plan: Embracing the Rules of Three, Single and Double, Direct and Inverse, Barter Loss and Gain, Reduction, Multiplication and Division of Fractions, Exchange of Currencies, Interest, and All Proportional Questions in One Rule Applicable to the Whole

The Cancelling Arithmetic, published in 1837, was the first work known to the author, which, to any considerable extent illustrated, and practically applied the principle of cancelling. Although it is true that the principle is coextensive With the science of numbers, for no question in Simple Division can be solved without employing it, still Division was not explained as embodying the whole of it, nor was the princi 19 so applied and illustrated as to simplify Division. The mode 0 wri numbers for the convenience of cancelling, in connection with the or mode, affords a variety of illustrations interesting and useful, both to teachers and scholars.

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