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function 1, altimeter (altitude trend chart and climb rate) 2, barometer ( air pressure trend chart) 3, compass 4, thermometer 5, weather forecast 6, pedometer, step counter, calorie, distance record 7, time functions: hour, minute, second, year(2000-2099), month, date, weekday, 8, alarm clock (2 sets alarm clock, ) 9, countdown timer (99:59:59~0) 10, satch (0~:59:59), 12, worldtime functions 13, corporates digital compass, altimeter, barometer, thermometer, air pressure trend an