300 Page Databank. 8 letters and 12 numerals per page. Memory shared between telememo and schedule memo. Auto-sort function. EEPROM memory protection. 8-Digit Calculator. Constants for addition, subtraction, multiplication and division. EL Backlight with Afterglow. World Time. 24 time zones (23 cities), city code display, daylight saving on/off. Daily Alarm. Countdown Timer. Measuring unit: 1 second. Countdown range: 1 minute to 24 hours. Auto-repeat Function. 1/100 second stopwatch. Measuring capacity: 23:59’59.99”. Measuring modes: Elapsed time, split time, 1st-2nd place times. Hourly Time Signal. Auto Calendar (pre-programmed until the year 2094). 12/24 Hour Formats. Accuracy: +/-30 seconds per month . Battery CR2016. Approx. battery life: 2 years. Module 1478.