This is a rare vintage Texas Instruments TI-30 calculator with a bright red LED display. It was manufactured in 1976/8 and still works perfectly. The calculator runs on batteries and is perfect for business and office use. The calculator is a scientific model and has all the necessary features that you would expect from a high-quality Texas Instruments calculator. The item is in very good shape and has been well taken care of over the years. This is a great collectible item for anyone who appreciates vintage calculators!