TinkerPlots is exploratory data analysis and modeling software designed for use by students in grades 4 through university. It was designed by Clifford Konold and Craig Miller at the University of Massachusetts Amherst and is currently published by the Learn Troop. It runs on Windows XP or later and Mac OS 10.4 or later. The program allows users to enter their own data, to import them from other applications or the Web, or to generate them using a sampling engine.