FORTY years have elapsed since the appearance of Prof. De Morgan's “Elements of Arithmetic,” at a time when perhaps few teachers, as they submitted the rules of the science to their pupils, cared to ...
MESSRS. Sonnenschein and Nesbitt's volume is a modification of one which appeared in 1870, and has for some years occupied a foremost place among school arithmetics. A number of text-books, in which ...
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