Latitude-Longitude (Great circle and Rhumb line tracks) Wind triangle (Hdg/Gs, Trk/Gs, W/v, Crosswind-Headwind components) Fuel planning (Fuel consumption, Speed-Time-Distance) Weight and Balance (Take off/landing weight and centre of gravity) Altitude-Airspeed (Density alt, Pressure alt, True alt, TAS-RAS-MACH) Vertical navigation (Rate of climb, Top of climb, Rate of descent, Top of descent) Timer (stopwatch functions) Utilities (Logbook totaliser, Costing, Holding patterns, Critical point, Point of no retuen, Sunrise-Sunset) On-line help