Key Features of the Introductory Courses Syllabus The syllabus stresses the underlying concepts and incorporates challenging real-world problems. Textbook The textbook emphasizes the need to understand problems numerically, graphically, and through English descriptions as well as by the traditional algebraic approach.Classroom atmosphere The classroom environment uses cooperative learning and promotes experimentation by students. Team homework assignments A portion of each student's grade is based on solutions to interesting problems submitted jointly by a team of four students. Graphing calculator technology TI-83's (or above) are used throughout the introductory courses. Student responsibility Students are required to read the textbook, discuss the problems with other students, and write full essay answers. Restructured testing program Major exams can focus on concepts and critical thinking because there is a set of repeatable tests devoted to routine manipulative skills.