The present Revised edition of the book has been written strictly according to the latest syllabus prescribed by the NCERT. Keeping in mind the mental of a child, every effort has been made to introduce new concepts in a simple language, so that the child understands them easily. Basic concepts have been explained through attractive illustrations relating to our day-to-day life experiences. The book is divided into 23 Chapters. The text is written in a lucid and easy to understand language. The difficulty level of the problems has been reduced and mathematical concepts have been explained in the simplest possible way. Each chapter contains a large number of illustrative exampels to understand the applications of concepts. In each section, illustrative examples are followed by an exercise containing an adequate number of unsolved problems. The level of the problems in exercises ha been kept such so to encourage the student to practice, so that the student becomes more confident in solving them. About the Author:- Dr. R.D. Sharma is currently working as Head of Deptt. (Science and Humanities) under the Directorate of Technical Education, Delhi. A Ph.D in Mathematics, he is a double gold medalist, ranking first in the order of merit in both B.Sc (Hons.) and M.Sc Examinations from the University of Rajasthan, Jaipur. He has undergone rigorous training from IIT, Kharagpur in computer-oriented mathematical methods and has a long experience of teaching post-graduate, graduate and engineering students.
