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.
An arithmeticall militare treatise, named Stratioticos: compendiously teaching the science of nu[m]bers, as vvell in fractions as integers, and so much of the rules and
A geometrical Practise, named Pantometria, diuided into three bookes, longimetra, planimetra, and stereometria, containing rules manifolde for mensuration of all lines, superficies and solides: with sundry straunge conclusions both by instrument and without, and also by perspectiue glasses, to set forth the true description or exact plat of an whole region: framed by Leonard Digges gentleman, lately finished by Thomas Digges his sonne. Who hathe also thereunto adioyned a mathematicall treatise of the fiue regulare Platonicall bodies, and their Metamorphosis or transformation into fiue other equilater vniforme solides Geometricall, of his owne inuention, hitherto not mentioned of by any geometricians.
