Texas Instruments Calculator User Manual page 81

Note: The calculator categorizes variables by their method of entry. (See
"Types of Worksheet Variables" on page 17.)
Resetting the Date Worksheet Variables
• To reset default values for all calculator variables and formats,
including the Date worksheet variables, press & } !.
Variable
DT1
DT2
• To clear Date worksheet variables and reset default values without
affecting the day-count method, press & z while in the Date
worksheet.
Entering Dates
• The calculator assumes that
• Enter dates for
format.
• When you compute a date for
three-letter abbreviation for the day of the week (for example,
).
WED
Selecting the Day-Count Method Affects Calculations
• When you select
the actual number of days in each month and each year, including
adjustments for leap years.
• When you select
assumes 30 days per month (360 days per year). You can compute
using this day-count method, but not
DBD
Computing Dates
To select the Date worksheet, press & u. The
1.
displayed.
To clear the worksheet, press & z.
2.
3. Enter values for two of the three variables:
Note: Do not enter a value for the variable you wish to solve for.
To enter a value for a variable, press # or " to display the variable.
4.
Key in a value and press !.
5.
Other Worksheets
Default
12-31-1990
12-31-1990
DT1
and in the selected US or European date
DT1 DT2
as the day-count method, the calculator uses
ACT
as the day-count method, the calculator
360
Variable
DBD
Day-count
method
is earlier than
or , the calculator displays a
DT1 DT2
DT1
DT1
Default
0
ACT
.
DT2
or .
DT2
value is
DT1
, , and
DT2 DBD
.
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