This vintage Texas Instruments TI-2550 memory calculator comes complete with its original case. Made in the United States, this calculator is a must-have for collectors of vintage electronics and consumer electronics. With its unique design and functionality, this calculator is sure to impress. Whether you are a collector or simply looking for a unique addition to your home or office, this vintage calculator is the perfect choice. The calculator is from a well-known brand, Texas Instruments, and features the TI-2550 model. It is in great working condition and is perfect for those who appreciate vintage technology. This calculator is a true piece of history and is a great conversation starter. Don't miss out on the chance to own this unique and rare vintage calculator.