(1) THIS book is a collection of 3500 examples in ele-JL mentary algebra up to quadratic equations. It will prove useful to those teachers who dictate the book-work instead of leaving their pupils to ...

THIS excellent elementary treatise is too well known to require detailed description in these columns, so we need only refer to the changes which have been made by the reviser of the new and enlarged ...

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Peter Schumer does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...