Percent Of Total - HP 0012C-90001 User Manual

28 28 Section 2: Pe Pe Pe Percentage and Calendar Functions Section 2: rcentage and Calendar Functions
28 28 Section 2: Section 2: rcentage and Calendar Functions rcentage and Calendar Functions
The à key can be used for calculations of the percent difference between a
wholesale cost and a retail cost. If the base number entered is the wholesale cost,
the percent difference is called the
cost, the percent difference is called the
calculations are included in the

Percent of Total

Percent of Total
Percent of Total Percent of Total
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 Example: : : : Last month, your company posted sales of $3.92 million in the U.S., Example Example
$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 Keystrokes
Keystrokes Keystrokes
3.92\
2.36+
1.67+
2.36
Z
The hp 12c holds the total amount inside after a percent of total is calculated.
Therefore, to calculate what percentage
1. Clear the display by pressing O.
2. Key in that amount.
3. Press Z again.
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 Keystrokes
Keystrokes Keystrokes
O3.92Z
O1.67Z
markup
; if the base number entered is the retail
margin
. Examples of markup and margin
hp 12c Solutions Handbook
Display Display
Display Display
3.92 Keys in the first number and separates
it from the second.
6.28 Adds the second number.
7.95 Adds the third number to get the total.
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.
another
amount is of the total:
Display Display
Display Display
49.31
The U.S. had about 49% of the total
sales.
21.01 The rest of the world had about 21%
of the total sales.
.