HP 12C Platinum Owner's Handbook Manual page 31

Keystrokes
gÕ
6.032004\
10.152005gÒ
~
Section 2: Percentage and Calendar Functions
Display
Sets date format to month-day-year.
11.09
(Display shown assumes date
remains from preceding example.)
Keys in earlier date and separates it
6.03
from the later date.
Keys in later date. Display shows
498.00
actual number of days.
Number of days counted on the
491.00
basis of a 30-day month.
33