inputs.text: marvel genius - anyone old enough remember computer didnt mean something electronic might able relate jeppesen flight computer like slide rule solved mysteries tangents signs cosigns trigonometry jeppesen thing roundi got first one taking pilot training senior year college could calculate true air speed ground speed distance fuel usage time destination several calculations might not use needed one time soon kept glove compartment long car trips long maintained speed knew birmingham al 230 miles away could predict minute time arrival placeif learning fly first time piper cub cherokee airfoil doesnt inertial navigation system must student pilotits still novel experience know computer doesnt depend charge gives accurate information distance time amount fuel etc etcthis seems marvel genius