Using a Texas Instruments TI-83 or TI-84 graphing calculator and a Norland Research calculator robot, students create programs in TI-BASIC to direct their robot rover through a variety of tasks. Ten robot missions and three exploration extensions are included in this lesson booklet. Beginning missions include step-by-step programming instructions; the missions become increasingly challenging throughout, culminating in a mission to Mars. Lessons/Activities:Mission 1: MeasureMission 2: Graph and