The Idena calculator TR800 is a versatile and practical tool for all your calculations. With its 8-digit display, it provides ample space to clearly and distinctly show numbers. The calculator can be powered by both solar energy and batteries, ensuring that it is always ready for use. With features such as square root calculation, percentage calculation, and a memory function, this calculator is ideal for school, work, and everyday life. Whether you're solving mathematical problems or performing financial calculations, the Idena TR800 offers the necessary functions in a compact and user-friendly design. The calculator is elegantly designed in black and fits perfectly in any pocket or desk drawer. With the Idena TR800, you have a reliable tool at hand to assist you with your calculations. Order it now and make your life easier with a practical calculator that fits into any workspace!.