Sharp IQ-8920 Operation Manual page 179

4. Enter the ending date.
5. Touch -1.
The number of days between the two dates is shown.
l
l
Calculating a date by specifying a number of days
1. Touch lW[ to call the date calculator.
The current date is the default starting date. If you want
to calculate a date from the current date, skip the next
step.
2. Touch -1 to clear the starting date field and enter
the desired starting date. Prefix a single-digit month or
date with a 0.
You can also modify a specific part of a date by touching
it, then entering the desired numbers.
3. Touch vl to obtain a date in the future, or
Touch I+1 or I-1 , respectively.
4. Enter the number of days to base your calculation on.
5. Touch (CALCULATE/.
The date is displayed.
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if you make a mistake, touch -1 to return to a
previous step.
If you enteran invalid date or other value, for example
if you forget to enter the year, the operation will not be