There is a range and richness to numbers. They can come alive, cease to be symbols written on a black board, and lead the reader into a world of intellectual adventure where calculations are thrilling. In Figuring: The Joy of Numbers, Shakuntala Devi dramatizes the endless fascination of numbers and their ability to amaze and entertain. She offers easy-to-learn short cuts on how to add long columns in your head, multiply, divide, and find square roots quickly, almost magically. Fractions, decimals, and compound interest become clear and easy to deal with. The author takes delight in working out huge problems mentally, and sometimes even faster than computers. In Figuring she shares her secrets with you.

Shakuntala Devi, the Human Computer, explains and simplifies everything you always wanted to know about numbers but was difficult to understand. This book contains all we ever wanted to know about numbers. Divided in three parts, the first will tells you everything about numbers, the second some anecdotes related with numbers and mathematicians, and the third some important tables that will help you always.

Come to an exciting journey into the Wonderland of Numbers. 'As for numbers, they hate nobody and nobody can afford to hate them,' says Neha's father, who is a supportive parent trying to re-instill confidence in his child. Apart from revealing the specialties of each individual number, from zero to nine, and little mathematical tricks, Shakuntala Devi has underscored another very important aspect. It is upto parents and teachers to ensure that children are initiated into a lifelong love affair with numbers. An engaging child, Neha, suddenly starts lagging in Maths when a new Maths teacher arrives and she starts converting her fear of the teacher into a terror of Maths. Matters touch the nadir when she scores a zero in a test. On the way home that day, she meets with an accident. While her parents and teachers suffer an anxious vigil till she regains consciousness, she travels to the Kingdom of Zero through her sub-conscious mind. In the Wonderland of Numbers is the story of Neha's adventures in the Kingdom of Zero.

Discover the adventure and excitement of mathematical puzzles. Match your wits with the human computer. Sharpen your intellect, delight your friends and enjoy hours of purposeful entertainment. Mathematics is not always hard, mind-boggling stuff. It can also be simple, delightful and interesting. Many famous mathematicians are known to be devoted to peg jumping puzzles. It is perhaps this kind of play that leads to scientific discoveries. The celebrity author, Shakuntala Devi, is regarded as 'authentic heroine of the twentieth century'. She calculates faster than the fastest computer, is listed in the Guinness Book of World Records and continues to amaze audiences around the world with her feats of calculation.

"The Magic of Math is the math book you wish you had in school. Using a delightful assortment of examples--from ice cream scoops and poker hands to measuring mountains and making magic squares--this book empowers you to see the beauty, simplicity, and truly magical properties behind those formulas and equations that once left your head spinning. You'll learn the key ideas of classic areas of mathematics like arithmetic, algebra, geometry, trigonometry, and calculus, but you'll also have fun fooling around with Fibonacci numbers, investigating infinity, and marveling over mathematical magic tricks that will make you look like a math genius!"--

These simple math secrets and tricks will forever change how you look at the world of numbers. Secrets of Mental Math will have you thinking like a math genius in no time. Get ready to amaze your friends—and yourself—with incredible calculations you never thought you could master, as renowned “mathemagician” Arthur Benjamin shares his techniques for lightning-quick calculations and amazing number tricks. This book will teach you to do math in your head faster than you ever thought possible, dramatically improve your memory for numbers, and—maybe for the first time—make mathematics fun. Yes, even you can learn to do seemingly complex equations in your head; all you need to learn are a few tricks. You’ll be able to quickly multiply and divide triple digits, compute with fractions, and determine squares, cubes, and roots without blinking an eye. No matter what your age or current math ability, Secrets of Mental Math will allow you to perform fantastic feats of the mind effortlessly. This is the math they never taught you in school.

This is one of those rare books that can help all of us with something that is both troublesome and worrisome — our memory. It does this with ease, not by attempting to teach some exhausting rote-memory techniques, but in 12 easy and effortlessly smooth steps. Shakuntala Devi's down-to-earth writing and encouraging step-by-step approach puts super memory in reach of everyone. As she says, 'Take my word. You can start applying my memory-enhancing techniques immediately, right now. Before you will realize, applying my methods and strategies will become your second nature.' Shakuntala Devi has been honing and teaching her memory improvement techniques for more than 40 years. Super Memory is the result of her life's work, specially tailored to our needs as we age, and encompassing all of the many ways we can use a better memory every day.