The principles of arithmetick - with helpfull observations, making the entrance easie, and the practice pleasant: teaching the five ordinary parts of arithmetick, the usuall way: the performance of multiplication and division, onely by addition and subraction: with new and notable abridgments: rules of practice, with extraordinarie helps: and therein, some excellent observations, for the easie casting up of interest. The doctrine of fractions, the foure rules of arithmetick: recreations extraordinary; or the easie performance of (seeming) impossibilities. By William Webster

Förlag	År	Ort	Om boken	ISBN
Printed by Miles Flesher. This booke is sold by the author, who dwelleth in Bearebinder lane in London	1634	England, London	[24], 62, (63)-(66), 63-196 sidor.