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.