Extending beyond the standard heat and wave equation…ñwhere most other partial differential equations texts stop…ñthis text spans into the spectrum of physics, engineering, mathematical physiology, environmental studies, and mathematical applications. Its "student friendly" approach will appeal to the non-math major who may be intimidated by the theoretical approach of most mathematics texts. In addition, a wide variety of real-world applications illustrate how mathematics applies directly to the non-math majors' fields of study, while giving mathematics majors the opportunity to see how mathematics relates to other courses of study.