A book for all those in preparations for SAT, GRE, GMAT, CAT and various other similar examinations ! Are You "wasting" time in calculations ? 90% of the time goes in this. Here is a book which which can significantly incease the speed by 50%. This book has been compiled after extensive study of various quick calculation techniques picked up from prof. Trachtenberg's book and Vedic Mathematics, and also from tidbits accross a spectrum of books. It has been kept very simple and only the very relevant and "truly" QUICK techniques have been mentioned. NOTE:You can learn to apply all needed techniques in less than 100 pages which is amazing, so, this title can be recommended to all who don't have so much time for reading much more longer (and more technical) books, but need compact material which can be applied quickly (immediately) after short practice (doing exercises in this book).