Preface

About the Writer

Bakti Siregar, M.Sc., CDS works as a Lecturer at the ITSB Data Science Program. He earned his Master’s degree from the Department of Applied Mathematics at National Sun Yat Sen University, Taiwan. In addition to teaching, Bakti also works as a Freelance Data Scientist for leading companies such as JNE, Samora Group, Pertamina, and PT. Green City Traffic.

He has a strong enthusiasm for projects (and teaching) in the fields of Big Data Analytics, Machine Learning, Optimization, and Time Series Analysis, particularly in finance and investment. His core expertise lies in statistical programming languages such as R Studio and Python. He is also experienced in implementing database systems like MySQL/NoSQL for data management and is proficient in using Big Data tools such as Spark and Hadoop.

Some of his projects can be viewed here: Rpubs, Github, Website, and Kaggle

Acknowledgments

Calculus plays a vital role in modeling, analyzing, and optimizing processes across science, engineering, and technology. This book introduces fundamental concepts and techniques in calculus, including:

  • A solid foundation in real numbers, functions, and limits
  • The ability to analyze and interpret data across engineering and scientific contexts
  • A clear understanding of the role of derivatives and integrals in modeling and problem-solving
  • Practical skills in applying numerical methods and calculus techniques to real-world challenges

This book is designed for beginners seeking to build a strong foundation in calculus while appreciating its concepts and diverse applications—from classical mathematical problems to modern scientific and engineering challenges. We value the active participation of readers, whose insights and questions enrich the learning journey. It is our hope that this material serves not only as an introduction to calculus but also as a practical guide for applying mathematical reasoning to contemporary problems.

Feedback & Suggestions

Your feedback is invaluable in enhancing the quality of this book. We warmly invite readers to share their thoughts on the content, organization, and clarity of the material. Suggestions for additional topics, extended explanations, or further real-world applications are highly encouraged.

With your support and contributions, our goal is to make this book a comprehensive and accessible resource on calculus and its applications—from classical problems to modern challenges. Thank you for your engagement and feedback.

For feedback and suggestions, please contact:

  • siregarbakti@gmail.com
  • siregarbakti@itsb.ac.id
  • dsciencelabs@outlook.com