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 an 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.
The pathvvay to knowledge, containing the first principles of geometrie, as they may mostl aptly bee applied vnto practise, both for vse of instrumentes geometricall, and astonomicall: and also for proiection of plattes in euery kinde and therefore much necessarie for al sortes of men.
