CASIO Casio Mini Just Type Solar Calculator 12-digit MW-C20C-RG Operation confirmed. The entire calculator and the gaps between the buttons have been cleaned with alcohol before listing. There are some scratches on the LCD screen, but it can be used without any problems. Size: Approximately 15cm tall, 10.5cm wide The built-in battery still has some charge, so it can be used with either solar power or battery. (Please note that the remaining charge is unknown) Please refer to the Casio website for detailed specifications. https://www.casio.com/jp/basic-calculators/product.MW-C20C-RG/ I'm selling it at a low price, so please take advantage of this opportunity if you need one! No price reduction.