Day/Date Calculations - Casio FX-9750G plus User Manual

19-8 Day/Date Calculations

P.7
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You can calculate the number of days between two dates, or you can determine
what date comes a specific number of days before or after another date.
Press 2 (DAYS) from the initial screen 2 to display the following input screen for
day/date calculation.
d1 ................... date 1
d2 ................... date 2
D ..................... number of days
• {PRD} ... {calculates number of dates between two dates (d2 – d1)}
• {d1+D}/{d1–D} ... Calculates {future date/previous date}
• The set up screen can be used to specify either a 365-day or 360-day year
for financial calculations. Day/date calculations are also performed in
accordance with the current setting for number of days in the year, but the
following calculations cannot be performed when the 360-day year is set.
Attempting to do so causes an error.
(Date) + (Number of Days)
(Date) – (Number of Days)
• The allowable calculation range is January 1, 1901 to December 31, 2099.
The format for inputting a date is: <month> . <day> <year>
Two digits must always be input for the day, so a leading zero must be input for
days 1 through 9.
Example January 2, 1990
b.acbjja
December 31, 2099
bc.dbcajj
Example Calculate the number of days from August 8, 1967 to July 15,
1970, using a 365-day year.
In the set up screen, specify "365" for Date Mode and then press J.
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