These simple Math Secrets and Tricks will forever change how you look at the world of numbers.
This book will teach you to do Math in your head faster than you ever thought p.
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 Amazing number tricks.
Secrets of Mental Math will have you thinking like a Math genius in no time.
These simple Math Secrets and Tricks will forever change how you look at the world of numbers