This is a vintage Texas Instruments Ti-50 Scientific Slimline Calculator from 1978. It is a great addition to any collection of vintage electronics and calculators. The calculator is being sold as is and has not been tested. It has a sleek design and is made by a trusted brand, Texas Instruments. The calculator is a great example of vintage technology from the United States. The calculator does not come with any additional accessories and is being sold in its original condition.