This Texas Instruments TI-34 MultiView Scientific Calculator is a great addition to any office or business. With its regular sized keys and display, it is perfect for desktop use. It is a solar powered calculator, making it energy efficient and environmentally friendly. The calculator is designed for scientific use, with a range of functions and capabilities that will help you solve even the most complex equations. The model is TI-34 MultiView, and it is in good shape for its age.