CASIO Super College VX-4 Basic operation confirmed. No dead pixels. Contrast adjustment also works. Detailed operations such as functions and C language are unconfirmed. Slight battery leakage marks on the battery compartment. *Batteries will be removed before shipping. The exterior has few scratches and is in good condition. The LCD screen also has few scratches. All items in the photos are included. Please understand that this is a used item before purchasing. #CASIO #Casio #VX-4 #SUPER COLLEGE #Super College #PERSONAL COMPUTER Thank you for your understanding.