This open-source textbook provides a comprehensive and accessible learning experience for students tackling integral calculus, a foundational yet challenging course in STEM education. Designed as a high-quality digital resource, this textbook features engaging video lessons, interactive practice exercises, and supplementary materials that reinforce students’ understanding of key concepts. The self-check questions and video content deepen comprehension through problem-solving, helping students identify areas for improvement and build their strengths.

Through this Open Educational Resource (OER), students gain the flexibility to explore integral calculus at their own pace, whether in the classroom or independently. The visual, self-paced format supports diverse learning styles, promoting a deeper understanding of integral calculus concepts and their real-world applications. This digital textbook ultimately aims to make integral calculus more approachable and achievable for all learners, paving the way for success in advanced STEM courses and careers.