The Secrets of Mental Math (DVD) (Great Courses / Teaching Company)
12 Lectures    1Math in Your Head!    2Mental Addition and Subtraction    3Go Forth and Multiply    4Divide and Conquer    5The Art of Guesstimation    6Mental Math and Paper    7Intermediate Multiplication    8The Speed of Vedic Division    9Memorizing Numbers    10Calendar Calculating    11Advanced Multiplication    12Masters of Mental Math