Logarithms were originally invented for the sake of abbreviating arithmetical calculations, as by their means the operations of multiplication and division may be replaced by those of addition and subtraction, and the operations of raising to powers and extraction of roots by those of multiplication and division. [Please select]
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Then there is a system of abbreviating. [Please select]
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Apropos of du Maurier's early homes, Sir Francis Burnand, in his _Records and Reminiscences_, tells an amusing story, which, whilst of necessity abbreviating, we shall try to give as nearly as possible in his own words. [Please select]
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