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11: Time, Appointments, and Date Arithmetic 151
File name : English-M02-1-040308(Print).doc Print data : 2004/3/9
2. Key in the second date and press .
3. Press , , or to calculate the number of days
using that calendar.
Example: Calculating the Number of Days between Two Dates. Find
the number of days between April 20, 2003 and August 2, 2040, using
both the actual calendar and the 365-day calendar. Assume the date
format is month/day/year.
Keys: Display: Description:
Displays CALC menu.
4.202003
Stores Apr. 20, 2003
as first date and
displays its day of the
week.
8.022040
Stores Aug. 2, 2040 as
second date.
Calculates actual
number of intervening
days.
Calculates number of
intervening days by a
365-day calendar.
Calculating Past or Future Dates
To calculate a date a specified number of days from another date:
1. Key in the known date (for today’s date, use ) and press
.
2. Key in the number of days. This number should be negative if the
unknown date precedes the known date. Press .