Retro 1970sCommodore 897D CalculatorTested & WorkingRequires 1 x 9v Battery (not included)*************************************************************************Please see my other listings for more 1970s & 80s items********************************************************************************Due to other commitments I can only post items on Mondays and Thursdays, Exceptions can be made before the item is bought/bid on and may incur an extra cost.Paypal payment only within 3 days of purchase/auction end.It is your responsibility to ensure your postal address is correct with all relevant codes.I always leave feedback once I have received it and you are happy with your item. If for any reason you are not happy please contact me and I will do my very best to rectify the problem.