1628710
9780486278872
Entertaining, easy-to-follow suggestions for developing greater speed and accuracy in doing mathematical calculations. Surefire methods for multiplying without carrying, dividing with half the pencil work of long division, plus advice on how to add and subtract rapidly; how to check for accuracy, master fractions, work quickly with decimals, handle percentages and much more. A valuable how-to book for anyone working with numbers on a variety of levels.Stoddard, Edward is the author of 'Speed Mathematics Simplified' with ISBN 9780486278872 and ISBN 0486278875.
[read more]