HP 12C Financial 12C Percent of Total in RPN Mode, Section 2: Percentage and Calendar Functions

Section 2: Percentage and Calendar Functions 35

Percent of Total in RPN Mode

In RPN mode, to calculate what percentage one number is of another:

1.Calculate the total amount by adding the individual amounts, just as in a chain arithmetic calculation.

2.Key in the number whose percentage equivalent you wish to find.

3.Press Z.

Example: Last month, your company posted sales of $3.92 million in the U.S., $2.36 million in Europe, and $1.67 million in the rest of the world. What percentage of the total sales occurred in Europe?

Keystrokes (RPN mode)

3.92\

2.36+

1.67+

Display

3.92Keys in the first number and separates it from the second.

6.28Adds the second number.

7.95Adds the third number to get the total.

2.36	2.36	Keys in 2.36 to find what percentage
		it is of the number in the display.
Z	29.69	Europe had nearly 30% of the total
		sales.

In RPN mode, the hp 12c platinum holds the total amount inside after a percent of total is calculated. Therefore, to calculate what percentage another amount is of the total:

1.Clear the display by pressing O.

2.Key in that amount.

3.Press Zagain.

For example, to calculate what percent of the total sales in the preceding example occurred in the U.S. and what percent occurred in the rest of the world:

Keystrokes (RPN mode)

O3.92Z

O1.67 Z

Display

49.31The U.S. had about 49% of the total sales.

21.01The rest of the world had about 21% of the total sales.

File name: hp 12c pt_user's guide_English_HDPMF123E27	Page: 35 of 275
Printed Date: 2005/8/1	Dimension: 14.8 cm x 21 cm