This is a vintage CASIO 805-MR electronic calculator, manufactured in Japan in the late 1970s to early 1980s. A classic Casio desktop calculator, it features memory functions (M+, M–, MR), percentage (%) and square root (√) operations. The calculator shows signs of age and use appropriate for its era. Operation is not confirmed, and it is sold as-is. It includes the original Casio protective case, which is rare to find. A great collectible item for fans of early digital electronics, retro office equipment, or Casio history. Brand: Casio Model: 805-MR Type: Electronic calculator Era: 1900–2000 (Late 1970s / Early 1980s) Country of origin: Japan Material: Plastic, metal components In working order: Operation not tested Method of Shipment FedEx or Japan Post NOTICE The lot will be carefully packaged and shipped by FedEx or Japan Post. Delivery usually takes 1–2 weeks. The shipping method may vary depending on the item price and size. Sometimes Customs or the delivery company in your country may contact you by phone or email for clearance. Please make sure you are available to respond. If not, the parcel may be returned to me, and reshipping will cost more than twice the original shipping fee. I appreciate your cooperation.