CALCULATE FASTER THAN A CALCULATORJust imagine being able to multiply larger lumbers in your head--faster than you could tap the numbers in calculator.How would people near you react if you could calculate square roots--and even cube roots mentally without any electronic support? You'll gain the reputation of being extremely intelligent. People equate mathematical ability with intelligence. If you are able to do multiplication, division, squaring and square roots in your head in less time than your friends, they will be...
