Tim Ander 
Fast Math: Learn the Secrets of Mental Math 
By Using Vedic Math and Other Math Tricks to Perform Mental Calculations from Multiplication to Percentages without Calculators

Think Fast with Vedic Math Secrets and Mental Calculation Tricks!When you read Fast Math, you’ll discover Vedic Math Techniques for mastering basic functions:Addition Subtraction Multiplication Divisionand so much more!With this fascinating guide, you can quickly and easily determine the square roots of perfect square numbers – and perform many other feats of mental gymnastics.These Vedic secrets mean you don’t have to memorize mathematical facts anymore. By grasping the inner workings of math structures, you can make sense of all kinds of numbers – without a calculator or a computer!The written addition most of us learn in school relies on simple and slow systems like “carry the 1” to get answers. There is an alternative – Vedic math moves at the speed of thought. Instead of summing columns and moving from right to left, Vedic math starts on the left. Add the largest numbers in your head, remember this figure, sum the smaller numbers – and then just total the figures in your head!By holding numbers in your head while calculating others, you strengthen your working/short-term memory. This mental sharpness pays off in all parts of your life – from remembering names to articulating your thoughts more clearly.