This listing is for a vintage CASIO fx-115 Scientific Calculator. It features a high-power solar cell for efficient operation. The calculator is designed for scientific and engineering calculations, offering a wide range of functions including trigonometric, logarithmic, statistical, and more. It's a classic model, perfect for collectors or those who appreciate vintage electronics. The unit powers on and displays digits as shown in the images, indicating it is in working condition. Please refer to the images for the exact cosmetic condition of the item.