This book is specially designed keeping in view the requirements of both the students from mathematical and nonmathematical stream to understand the basic foundational aspects of mathematics and applying the concepts in the field of business and economics. The presentation of all the topics are well covered from basic rudimentary concepts to advance level treatment in lucid and step by step format in order to address the grey areas which in general causes hardship among the student fraternity. This book will serves as an ideal platform for students pursing courses like BBA, BA(Pass/Hons), BCom(Pass/Hons), MA(Eco), MCom, MBA, MCA and other allied courses not only to appreciate the richness of the subject and taking it to even higher levels.                Each chapter of the book contains historical background, theoretical aspects backed by fully solved illustrations, self practice exercises with hints and appendix covering additional aspects in the same field to build confidence and helps in assessment of his/her progress.