The ancient science of Vedic mathematics may well give calculators a run for their money Does your mind wobble when confronted by a mathematical challenge more forbidding than two plus two? Do you dream of becoming the kind of person who can rattle off answers to the most complicated sums in the fraction of a second? If the answer is yes, you need Vedic mathematics. Try this for size. What's the square of 65? Simple: just multiply the first digit, 6, with its successor, 7. The answer is 42. Now find the square of the second digit, five, which is...