Cocker's arithmetick [electronic resource] : Being a plain and familiar method, suitable to the meanest Capacity, for the full understanding of that incomparable art, as it is now taught by the ablest School-Masters in City and Country. By Edward Cocker, late Practitioner in the Arts of Writing, Arithmetick, and Engraving: Being that so long since promised to the World. Perused and published by John Hawkins, Writing-Master, near St. George's Church in Southwark, by the Author's correct Copy, and commended to the World by many eminent Mathematicians and Writing-Masters in and near London. The fifty-fifth edition, carefully corrected and amended. By George Fisher, accomptant. Licensed Sept. 3, 1677. Roger L'Estrange.