CASIO Solar Calculator 12-digit DS-2B Casio Computer Solar Calculator Showa Retro Era, Simple Operation Confirmed This item has been stored for a long period of time. - Due to its age, there is overall aging. - Operation has been confirmed, but not all functions have been tested. - Approximate size is 14cm x 19cm, with a maximum height of 3.7cm. Please check the condition in the photos, ask any questions you may have beforehand, and purchase with your understanding.