Arithmetick compleated in all its rules both vulgar and decimal [electronic resource] : the Extraction of the Square and Cube Roots, as also the Calculations of Simple and Compound Interest, with all Useful Tables. The Whole explained In a Practical, Easy, and more Familiar Method, than was ever yet published. By Gideon Royer, Writer, Flourisher, and Embellisher to the late Kings, Charles, James, William, and Queen Anne, (for more than 30 Years) Teacher of Arithmetick for above 50 Years) and formerly Scholar to the late Mr. John Kersey.