flight computer
form of circular slide rule used in aviation and one of a very few analog computers in widespread use in the 21st century
en-GB/ˈflaɪt kəmˈpjuːtə/
en-US/ˈflaɪt kəmˈpjutɚ/
form of circular slide rule used in aviation and one of a very few analog computers in widespread use in the 21st century