Lot of The Oregon Trail: 3rd Edition PC/MAC + Child World Calculator1997, The Learning CompanyOperates on PC and MAC (see photo)3 CDs plus instructionsChild World calculator operates on 2 AA batteries (not included)Instructions includedBoth are in VG condition and work wellSame Day ShippingVisit my store and search for books, cassettes, boots, electronics, CDs, Winter Vintage Coats, Tee shirts and other unique and hard to find items, Smoke free environment. Check out reviews.