Covers contour integrals, the Cauchy-Goursat theorem , and the Cauchy integral formula .

Kasana emphasizes the utility of complex analysis in physical sciences and engineering through specific chapters:

Features the complete text and related problem sets for online viewing or download via Complex H S Kasana Kopykitab: Offers a sample version and e-book preview through Kopykitab Sample PDF Key Features of the 2nd Edition Enhanced Problems:

The persistent search for is a testament to the book’s enduring relevance. It remains one of the few texts that does not force the student to choose between understanding theorems (pure math) and solving real-world boundary value problems (applied math).

Kasana highlights several application-oriented chapters that provide a "practical-use perspective" for professional pursuits. Evaluation of Real Integrals

Unlike some modern textbooks, only selected problems have answers. Self-learners may get stuck without a solution manual (which is hard to find for this book).