Casio FX-9860GII-L-IH User Guide - Page 386
Day/Date Calculations, Date - Number of Days
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7-8-1 Day/Date Calculations 7-8 Day/Date Calculations 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 Financial 2 screen to display the following input screen for day/ date calculation. 6(g)2(DAYS) d1 date 1 d2 date 2 D number of days To input a date, first highlight d1 or d2. Pressing a number key to input the month causes an input screen like the one shown below to appear on the display. # The Setup 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. 20050401