Solution 34851: Finding Days Between Dates on the TI-84 Plus C Silver Edition.
How can I find the days between dates using the Finance App on TI-84 Plus C Silver Edition?To calculate the number of days between two dates using the actual-day-count method, use the date function dbd( ) or "days between dates". date1 and date2 can be numbers or lists of numbers within the range of the dates on a standard calendar. The dbd( ) function is found by accessing the Finance App and selecting option D. The syntax is as follows:
Please Note: Dates must be between the years 1950 through 2049.
date1 and date2 can be entered in either of the two formats below:
MM.DDYY United States or DDMM.YY Europe.
Example: Find the number of days between 12/20/1988 and 12/20/2006:
1) Press [APPS]  [ALPHA] [D].
2) Press   [.]     [,].
3) Press   [.]     [)].
4) Press [ENTER].
Please see the TI-84 Plus C Silver Edition guidebook for additional information.