Enneades arithmeticæ, the numbring nines, or, Pythagoras his table extended to all whole numbers under 10000 : and the numbring rods of the Right Honourable John Lord Nepeer : enlarged with 9999 fixt columns or rods, of single, double, triple, and quadruple figures, and with a new sort of double and moveable rods, for the much more sure, plain and easie performance of multiplication, division, and extraction of roots ...