This vintage Novus 650 Mathbox personal calculator from the 70s is a must-have for collectors of vintage electronics. It comes with its original box and has been tested to ensure it is in working condition. With its unique design and exceptional quality, this calculator is a great addition to any collection. The brand, Novus, is well-known for producing high-quality electronics, and this model is no exception. It was manufactured in the United States and is considered a vintage item, making it even more rare and valuable. Whether you're a collector or simply looking for a functional calculator with a vintage look, this Novus 650 Mathbox is the perfect choice.