The SL-760LU is a thin, solar-powered card-type calculator formerly sold by Casio Computer Co., Ltd. (CASIO). It is a product from about 25 to 30 years ago and is no longer in production, but its compact design makes it a collectible vintage item. Type: 8-digit display, solar power Size: Approximately 85mm (H) x 54mm (W) x 3mm (D) (approximately the same size as a credit card) Weight: Approximately 14g If there are any defects in home appliances, mechanical products, etc., we will handle returns and refunds. Instant purchase without a message is welcome. We are usually closed for shipping on weekends and holidays. Please specify the amount when negotiating the price. Discounts are not always guaranteed.