This is the fourth chapter of a textbook that fully integrates computer programming (TI-84 BASIC) with precalculus objectives. Both disciplines are fully explained and accompanied by a robust selection of exercises.This course can be taught with a lab component in which students work in groups; or students can learn independently by reading and following the examples.It is not necessary for the students to have completed Chapters 1 - 3; the prerequisite programming concepts can be inferred from