This is a scientific calculator with a natural display function. ⚠️ It has been used for many years, so there is a feeling of use. There are stains as shown in the photos. Please refrain from purchasing if you are looking for a beautiful item or if you are sensitive to imperfections. Operation has been confirmed. - Brand: CASIO - Model Name: fx-82ES PLUS A - Function: Natural Display - Color: White - Product Information: CE mark, product number included Thank you for viewing.