We can't live without numbers. We need them in our daily chores, big and small. But we carry in us a certain fear of numbers and are never confident about using them. Shakuntala Devi, the internationally famous Mathematical wizard, makes it easy for us- and interesting.This book contains all we always wanted to know about numbers but was difficult to understand, and which was nowhere available. Divided into three parts, the first will tell you everything about numbers, the second some Anecdotes related with numbers and mathematicians, and the third a few important tables that will always help you.Shakuntala Devi popularly known as "the human computer." is a world famous mathematical prodigy who continues to out compute the most sophisticated computers. She took only fifty seconds to calculate the twenty-third root of a 201 digit number. To verify her answer, a Computer in Washington programmed with over 13,000 instructions took ten seconds longer. Shakuntala Devi firmly believes that Mathematics can be great fun for everybody.