Check the listing for details. TEXAS INSTRUMENTS CITATION VINTAGE CALCULATOR WORKING - MISSING BATTERY COVER. Condition: Used. Listed at 24.00 USD. TEXAS INSTRUMENTS CITATION VINTAGE CALCULATOR WORKING - MISSING BATTERY COVER Calculator is in very good cosmetic condition. Works perfectly. NOTE: missing battery cover and a small amount of corrosion on one of the battery terminals. ********************************************* Note: I have a fresh batch of vintage calculators to list. Close to 200 pieces. Please see my other listings for additional very cool, some very rare, models. And yes I will definitely combine shipping for multiple purchases. International buyers please ask me for combined shipping PRIOR to purchase. I cannot adjust the invoice after you buy the item. These are vintage calculators and in most instances they will show some signs of use and wear. Where there are noticeable imperfections or other defects I will make a note in the listing.