CASIO fx-373ES Scientific calculator with a gray cover. Used for university exams. There are some scratches and minor marks on the surface, but the operation has been confirmed, and I don't think it will affect usage. This is only the main unit, so please download the manual from the internet m(_ _)m Instant purchase OK! - Model: fx-373ES - Brand: CASIO - Function: Scientific calculator - Included items: Cover, Function input table (inside the lid) - Color: Gray Thank you for viewing.