Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks
Master lightning-quick calculations and mind-blowing math tricks.
Note: While we do our best to ensure the accuracy of cover images, ISBNs may at times be reused for different editions of the same title which may hence appear as a different cover.
Master lightning-quick calculations and mind-blowing math tricks.
Note: While we do our best to ensure the accuracy of cover images, ISBNs may at times be reused for different editions of the same title which may hence appear as a different cover.