Download Mathemagics by Arthur Benjamin, Michael Brant Shermer (.MP3)
Mathemagics: How to Look Like a Genius Without Really Trying by Arthur Benjamin, Michael Brant ShermerRequirements: .MP3 reader, 159.5 MBOverview: Using proven techniques, this volume shows how to calculate faster than is possible with a calculator! Benjamin has performed his art of rapid mental calculation for audiences of all ages and levels of mathematical sophistication, […]