Computers are very powerful calculating machines.A computer can do a calculation in a flash,but you might not be able to do in your whole lifetime.
Brain against computer
Some people call the brain a living computer. Is a human brain more powerful than a computer? The following story may give an answer.
Shakuntala Devi is a from India.She has an amazing brain and can calculate like lightning. In America,Shakuntala and a very powerful computer were given this problem to solve.
Shakuntala's brain took fifty seconds to find the answer. The computer took a minute. However,before the computer could begin calculating, someone had to spend many hours programming it with instructions.No one had to program Shakuntala!
Use your own living computer to solve the problem above. If it is not powerful enough,you will find the answer on page 77.