Textbook in PDF format This book aims to democratize MatLAB’s power, making its advanced computational capabilities accessible to a wider audience, including those less familiar with traditional command-line programming. Through step-by-step examples, we guide readers through the process of developing functional applications, covering essential topics like debugging and deployment. We strive to bridge the gap between abstract MatLAB code and tangible, interactive interfaces, enabling users to create tailored tools for various fields, from scientific research to engineering design. This book’s main goal is to provide a clear and practical guide to building interactive applications within the MatLAB environment. Here, we meticulously detail the App Designer's visual layout tools, empowering readers to seamlessly integrate GUI components like buttons, sliders, and plots. This book’s focus extends beyond mere component placement, delving into the critical aspect of writing callback functions—the MatLAB code that breathes life into these interfaces. By demonstrating how to manage data flow between the GUI and MatLAB’s computational engine, and by illustrating the creation of dynamic visualizations, we equip readers with the tools to transform complex MatLAB scripts into user-friendly applications. Modern engineering, science, and data-driven disciplines increasingly rely on interactive software tools to explore data, test ideas, and communicate results effectively. MatLAB Apps provide a powerful way to transform algorithms, models, and analyses into intuitive, user-friendly applications. By combining computation with carefully designed Graphical User Interfaces (GUIs), MatLAB App Designer enables researchers, educators, and practitioners to create professional-grade Apps without the overhead of traditional software development. MatLAB App Designer has become the standard environment for building Apps within the MatLAB ecosystem. It offers an integrated workflow for designing interfaces, managing user interactions, visualizing data, and deploying standalone or web-based applications. Whether the goal is rapid prototyping, teaching, research dissemination, or industrial deployment, Apps play a crucial role in making computational tools accessible to a broader audience. This book is designed as a hands-on guide to designing, developing, and deploying MatLAB Apps using App Designer. It is written for students, researchers, and professionals with a basic familiarity with MatLAB who wish to move beyond scripts and functions toward fully interactive applications. The book covers both foundational and advanced topics, ranging from essential User Interface (UI) components and layout design to event-driven programming, interactive visualizations, performance optimization, and App packaging. With the growing demand for intuitive analytical tools and decision-support systems, MatLAB Apps are increasingly used in education, engineering design, finance, data analysis, and applied research. Rather than treating Apps as an add-on, this book presents App development as a core skill that bridges the gap between computation and real-world usability. Includes clear explanation and step-by-step procedure of MatLAB APP design from scratch Provides detailed exploration of advanced GUI component interactions Is an in-depth coverage of data binding and event handling Preface Introduction Introduction App Designer Interface App Designer Fundamentals Core User Interface Components Designing MatLAB App Layouts Writing MatLAB App Code App Logic and Behavior Handling User Input Advanced App Development Advanced UI Components and Layouts Interactive Visualizations Performance Optimization App Packaging and Distribution Real-World Examples Interest Rate and Mortgage App Data Analysis App