This student text presents instructional materials for a unit of mathematics within the Biomedical Interdisciplinary Curriculum Project (BICP), a two-year interdisciplinary precollege curriculum aimed at preparing high school students for entry into college and vocational programs leading to a career in the health field. Lessons concentrate on biomedical applications in the mathematics areas of propagation of error, vectors, and linear programing. Reading materials, graphs, illustrations, and problems accompany each lesson. (CS)