TI-73 Explorer Viewscreen Calculator... The ViewScreen calculator is designed to connect directly to TI Presentation Tools. Created especially for teachers, these units have all the functionality of student models. Add the appropriate Presentation Link adapter and this model can be plugged easily into the ViewScreen panel, which enlarges and projects the ViewScreen calculator display so that all class members can see it at once. Many educators believe this visualization graphing technology helps students improve their conceptual understanding of mathematical concepts, enhancing classroom dynamics. Includes TI73 Explorer Calculator, Guidebook, Classroom poster of the calculator, Transparency of the calculator.