Benjamin,Arthur. Secretsofmentalmath:themathemagician’sguidetolightningcalculationand amazingmathtricks/ArthurBenjaminandMichaelShermer.—1sted. p.cm. Includesbibliographicalreferencesandindex. 1.Mentalarithme
Secrets of Mental Math will have you thinking like a math genius in no time. Get ready to amaze your friends—and yourself—with incredible calculations you never thought you could master, as renowned "mathemagician" Arthur Benjamin shares his techniques for lightning-quick calculations and ...