This is a CASIO SL-797T calculator. It's an item I used previously. Please check for age-related deterioration, etc. #Casio #Calculator #SL-797T This item has been stored at home for a long time and has been kept by a non-professional. As everyone's perception differs, please be sure to check the item yourself for age-related deterioration, scratches, and stains. Also, this is a non-professional inspection. Please contact me with any questions before purchasing. Please refrain from purchasing if you are a nervous person. Only those who understand are welcome to purchase. I am organizing my belongings, so I do not plan to list this item for a long time, and I may delete it at any time. Also, to prevent trouble, if you wish to purchase, please follow these steps: [Comment → Confirmation of current condition here → Purchase procedure].