This vintage Texas Instrument TI-30 scientific calculator is a must-have for any collector or enthusiast of vintage electronics. Made in the United States in the 1970s, this calculator is a true gem for anyone interested in the history of technology. The calculator is in need of a battery but is otherwise in excellent working order. The Texas Instruments brand is known for producing high-quality calculators, and this TI-30 model is no exception. It was designed specifically for students and features a range of functions that would be useful for any mathematician. This calculator is a great addition to any collection and would make a fantastic display piece.