---

Mathematics is not as difficult as it seems at first glance. If you follow all sections of this book, you will gain strong confidence in your mathematical skills. This book was written with the aim to help students understand how to solve mathematical problems. Each section contains necessary theoretical background and solved problems. A relevant number of exercises with the correct answers right after the section is provided. Exercises will help students strengthen their understanding of the sections. We wish you good luck and to enjoy mathematics!

---

Humbet Aliyev, Ph.D., Head of Mathematics and Informatics Department, Baku Engineering University, Azerbaijan. Author of several books on Calculus, Theory of Probability and Statistics. Rakib Efendiyev, Associate Professor, Head of Mathematics Department, Baku Engineering University, Azerbaijan. Member of several famous Mathematics Associations.

---