The free flight navigation utility for Windows CE based handheld computers
Claculate the great circle (shortest path on the earths surface) distance and bearing between two aerodrome coordinates
Calculate the compass heading and ground speed (wind triangle calculation) at a given airspeed, wind, variation, deviation.
Calculate the required fuel and estimated time enroute for your trip
Apart from navigation functions you can also find in NavigaCE:
Add the times in your flight logbook in a convenient way (Log time calculator)
Unit conversion of common aviation units