Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks On the Same Page and handmade items

and handmade items

65 lbs) 40 pages

Once Upon a River is a glorious tapestry of a book that combines folklore and science

Originally published in 1932

Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks On the Same Page and handmade itemsBy Arthur Benjamin, Michael Shermer, Foreword by Bill Nye These simple math secrets and tricks will forever change how you look at the world of numbers. Secrets of Mental Math will have you thinking like a math genius in no time. Get ready to amaze your friendsand yourselfwith incredible calculations you never thought you could master, as renowned mathemagician Arthur Benjamin shares his techniques for lightning quick calculations and amazing number