Críticas:
This book is simply Amazing !!... I found it really helpful. It has so many shortcuts methods for addition,multiplication..division and infact also numerous ways to find out square roots and cube roots of big numbers etc. !! Reading such books really helps.....be it some competitive exams or be it day to day life...through such books one learns to do big calculations in seconds !! I would suggest everone to buy this book :) --Divita Daukia Feb 6, 2013
Pros: Great diversity in the different areas in which numbers can be interesting & useful with some really great examples from one of the greatest mathematical genius, very high on the price to quality index, buy it if you like these type of books --pinaki Jan 27, 2014
interesting tips and tricks described in detail in the book. The calendar trick allows you to know what was the day on a particular date of any random year --Mahesh Prasad Apr 24, 2012
Reseña del editor:
Figuring: The Joy Of Numbers by Shakuntala Devi, is a book that teaches readers a series of computing shortcuts, which will not only reduce calculation time, but also help to develop an interest for the subject of mathematics.In Figuring: The Joy Of Numbers, renowned mathematician Shakuntala Devi, teaches readers about the wonders which can be sought by utilizing easy calculation methods. Devi s book will help readers calculate faster and easier This book will teach readers how to proceed forward with different types of challenging calculations, with the aim of increasing precision as well as speed, without compromising the correctness of the result. In order to understand the techniques prescribed in the text, readers are required to have a basic knowledge of arithmetic. Devi states that initially the problems might seem too complicated or out of reach, but with time and practice readers will definitely acquire the skill to solve mathematic problems in an expedient and precise manner. More importantly, readers will eventually be able to carry out large calculations in their heads, without the use of calculators or pencil and paper. The text contains fifteen chapters, which covers the basic operations involved in mathematics. It covers topics such as Digits, Addition, Subtraction, Multiplication, Highest Common Factor, Percentages, Interests, and Discounts, Fractions, Squares, Decimals, and Cube Roots. Devi has also included special chapters such The Calendar, Special Numbers, and Tricks/ Puzzles, which will definitely peak readers curiosity.
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