Differential Equations and Boundary Value Problems: Computing and Modeling balances concepts, visualization, applications and skills, helping you develop the conceptual understanding and geometric visualization that are essential for science and engineering students. It utilizes computer algebra systems such as Mathematica, Maple, and MATLAB plus online platforms like WolframAlpha and GeoGebra, along with traditional manual methods. The text begins and ends with discussion of mathematical modeling of real-world phenomena, evident in its figures, examples, problems and applications. The 6th Edition adds and updates content throughout, including an expanded Application Module for Section 6.4 that discusses COVID-19.