Time, Appointments, and
The calculator contains a clock and calendar in the TIME menu. You can
select a 12-hour or 24-hour clock, and a month-day-year or day-
month-year calendar. You can:
Record appointments that set alarms with optional messages.
Determine the day of the week for a particular date.
Calculate the number of days between two dates using the 360-day,
the 365-day, or the actual calendar.
Viewing the Time and Date
To view the time and date, press
If you overwrite the time and date, you can restore them to the display
11: Time, Appointments, and Date Arithmetic 141
in the MAIN menu.