Software supplement for introductory courses in statistics taught in departments of statistics, mathematics, psychology, sociology, education, business and others. Assumes a knowledge of high school algebra. ConStatS is a Windows-based interactive, exploration tool for teaching the basic statistical concepts important to a first term introductory course. A variety of applications taken from across the curriculum makes ConStatS suitable for students with widely divergent majors. A companion Workbook makes it easy to assign lessons.