GMAT Advanced offers high-achieving students the toughest practice questions, hardest concepts, and strongest strategies to help them prepare for the GMAT.
* Hundreds of the toughest practice questions * Detailed answer explanations * Advanced strategies and expert guidance for all GMAT question types
GMAT 800 offers high-achieving students the toughest practice questions, hardest concepts, and strongest strategies to help them prepare for the GMAT. The guide includes: * NEW! Online companion with intensive math concepts review and practice drills! * Hundreds of the toughest practice questions with strategic explantions * Tips for getting the questions right on test day * Focused guidelines for tackling each question type * Proven strategies for getting a perfect score * Special step-by-step methods for special question types
The Nothing that Is: A Natural History of Zero
Kaplan elucidates expertly the history and uses of the symbol for nothing at all not only in math, and the history of math and science, but also in historical linguistics, medieval metaphysics, accounting, pedagogy and literary interpretation.
The Art of the Infinite: The Pleasures of Mathematics
Robert Kaplan, writing together with his
wife Ellen Kaplan, once again takes us on a witty, literate, and
accessible tour of the world of mathematics. Where The Nothing That Is
looked at math through the lens of zero, The Art of the Infinite
takes infinity, in its countless guises, as a touchstone for
understanding mathematical thinking. Tracing a path from Pythagoras,
whose great Theorem led inexorably to a discovery that his followers
tried in vain to keep secret (the existence of irrational numbers);
through Descartes and Leibniz; to the brilliant, haunted Georg Cantor,
who proved that infinity can come in different sizes, the Kaplans show
how the attempt to grasp the ungraspable embodies the essence of
mathematics ...
The Nothing that Is: A Natural History of Zero
