150 11: Time, Appointments, and Date Arithmetic
File name : English-M02-1-040308(Print).doc Print data : 2004/3/9
Table 11-4. CALC Menu Labels for Date Arithmetic
Menu
Label
Description
Stores or calculates a date. Also displays the day of
the week. If you omit the year, the calculator uses the
current year.
Stores or calculates the number of
actual
days
between
DATE1
and
DATE2
, recognizing leap years.
Calculates the number of days between
DATE1
and
DATE2
using the 360-day calendar (30-day months).
Calculates the number of days between
DATE1
and
DATE2
, using the 365-day calendar, ignoring leap
years.
A shortcut: recalls the current date, which can then be
stored in
DATE1
or
DATE2
.
The calculator retains the values for the TIME CALC variables
DATE1
,
DATE2
,
DAYS
until you clear them by pressing
@c
while the
CALC menu is displayed.
To see what value is currently stored in a variable, press
R
menu
label
.
Determining the Day of the Week for Any Date
To find the day of the week for any date, key in the date and press
or
.
Calculating the Number of Days between Dates
To calculate the number of days between two dates:
1.
Key in the first date (for today’s date, use
) and press
.