Calendar Functions; Date Format - HP 0012C-90001 User Manual

To find what percentage a number is of a total, when you already know the total
number:
1. Key in the total number.
2. Press \ to separate the other number from the total number.
3. Key in the number whose percentage equivalent you wish to find.
4. Press Z.
For example, if you already knew in the preceding example that the total sales
were $7.95 million and you wanted to find what percentage of that total occurred
in Europe:
Keystrokes Keystrokes Keystrokes Keystrokes
7.95\
2.36
Z

Calendar Functions

Calendar Functions
Calendar Functions Calendar Functions
The calendar functions provided by the hp 12c — D and Ò — can handle
dates from October 15, 1582 through November 25, 4046.
Da Date te te te Format Da Da Format Format Format
For each of the calendar functions
S)
—
the calculator uses one of two date formats. The date format is used to
interpret dates when they are keyed into the calculator as well as for displaying
dates.
ar. To set the date format to month-day-year, press gÕ. To key in
Month Month- - - - Day Month Month Day Day- - - - Ye Day Ye Year. Ye ar. ar.
a date with this format in effect:
1. Key in the one or two digits of the month.
2. Press the decimal point key (.).
two
3. Key in the digits of the day.
4. Key in the four digits of the year.
Dates are displayed in the same format.
For example, to key in April 7, 2004:
Keystrokes Keystrokes
Keystrokes Keystrokes
4.072004
Section 2: Percentage and Calendar Functions Section 2: Percentage and Calendar Functions
Section 2: Section 2: Percentage and Calendar Functions Percentage and Calendar Functions
Display Display Display Display
7.95 Keys in the total amount and separates
it from the next number.
2.36
Keys in 2.36 to find what percentage
it is of the number in the display.
29.69 Europe had nearly 30% of the total
sales.
—
and also for bond calculations (E and
Display Display
Display Display
4.072004
29 29
29 29