Used HP 15C scientific calculator in excellent working condition with a case. Photos are of the actual calculator being sold. No manual included (PDF manual available on the Internet). Photo 1 shows the distance for lat1 = 30.4506°N, lon1 = 91.1544°W to lat2 = 15.1321°S, lon2 = 30.1156°E of 8594.4962 miles.