✨️Purchased for the 2025 Customs Specialist exam. Used only for studying for the exam. I passed the exam, and the calculator has too many functions for everyday use, so I'm selling it. (Purchased August 2025) Casio Professional Practical Calculator 12-digit Days & Time Calculation Just Type Silver JS-20DC-N Green Purchasing Law Compliant Eco Mark Certified As shown in the photos, there are fine scratches on the screen and some dirt on the body. Regarding operation, it worked without any problems during the October 2025 exam. Please purchase if you understand that this is a used item. There is no box or instruction manual.