"Higher Engineering Mathematics" is a comprehensive textbook designed to provide students and professionals with a solid foundation in advanced mathematical techniques essential for engineering and applied sciences. The book covers a wide range of topics, including differential equations, Fourier series, Laplace transforms, and complex analysis, with a focus on practical applications. Each chapter introduces key concepts in a clear and approachable manner, supported by worked examples and problems that demonstrate how these mathematical tools are used to solve real-world engineering problems. Through step-by-step explanations and illustrative examples, this book ensures that complex mathematical ideas are accessible and understandable for readers at all levels.