Calculating The Number Of Days Between Dates - HP -18C Owner's Manual

Calculating the Number of Days Between Dates
To calculate the number of days between two dates, starting from the
CALC
menu:
1. Key in the first date in the current date format and press
II11II.
2.
Key in the second date and press
1m1IB .
3. Press
1ml"IiI, 1mIiBI,
or
EiIimI
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, 1949 and August 2, 1986,
using both the actual calendar and the 365-day calendar. Assume the
date format is month/day/year.
Starting from the
MAIN
menu:
Keys:
IIIDIID'.EI
4.201949
II11II
8.021986
Im1IB
Display:
DATE1=
04 . . ···20 / 1949 WED
DATE2=
08/(12/1986 SAT
ACTUAL DAYS=
13., 618,00
Description:
Displays the
CALC
menu.
Stores the first date and
displays day of the week.
Stores the second date.
Calculates the number of
days using the actual
calendar.
365 DAYS= 13., 609,00
Calculates the number of
days using the 365-day
calendar.
8: Time, Alarms, and Date Arithmetic 125