An arithmeticall militare treatise, named Stratioticos [electronic resource] : compendiously teaching the science of nu[m]bers, as vvell in fractions as integers, and so much of the rules and æquations algebraicall and arte of numbers cossicall, as are requisite for the profession of a soldiour. Together with the moderne militare discipline, offices, lawes and dueties in euery wel gouerned campe and armie to be obserued: long since atte[m]pted by Leonard Digges Gentleman, augmented, digested, and lately finished, by Thomas Digges, his sonne.