## Book Of NumbersWe 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. |

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### Common terms and phrases

actually algebraic ampere ARITHMETIC SEQUENCE base Bhaskaracharya board foot Buddha calculate calendar called cardinal number Centigrade centimetre century check number COMMUTATIVE LAW computing decimetre denominator Diabolic Magic Square digits is divisible discs DIVERGENT SERIES divide by 100 divisors English System equation example exponent expression Fahrenheit Farey Sequence feet foot Geometry googol googolplex grains Gregorian calendar Hindu Hindu-Arabic HUNDRED FORTY integer Julian Calendar known letter Lilavati litres logarithm Magic Square mathematician mathematics means measure metres Metric System Multiplica multiply natural number negative numbers NEWTON PERMETER notation number represented number system odd numbers Orient Paperbacks ORIGINATE ounces percent pints positive numbers Poundal pounds prime number problem Puzzles to Puzzle quotient ro ro ro SAND RECKONER Sexagesimal Shakuntala Shakuntala Devi significant digits subtraction symbol system of numbers temperature scale tion tortoise units UNITY FRACTIONS upto whole numbers word