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28
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28 Section 2:
Section 2:
Section 2:
Section 2: Pe
Pe
Pe
Percentage and Calendar Functions
rcentage and Calendar Functions
rcentage and Calendar Functions
rcentage and Calendar Functions
File name: HP 12c+_user's guide_English_E_HDP0F12AE03_062608 - Modified.doc
Page: 28 of 213
Printed Date: 2021/6/16
Dimension: 14.8 cm x 21 cm
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
markup
; if the base number entered is the retail
cost, the percent difference is called the
margin
. Examples of markup and margin
calculations are included in the
hp 12c Solutions Handbook
.
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
Example
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
Keystrokes
Keystrokes
Keystrokes
Display
Display
Display
Display
3.92
\
3.92
Keys in the first number and separates
it from the second.
2.36
+
6.28
Adds the second number.
1.67
+
7.95
Adds 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.
The hp 12c 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
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
Display
Display
Display
Display
O
3.92
Z
49.31
The U.S. had about 49% of the total
sales.
O
1.67
Z
21.01
The rest of the world had about 21%
of the total sales.
Summary of Contents for 0012C-90001
Page 1: ...hp 12c financial calculator user s guide H Edition 5 HP Part Number 0012C 90001 ...
Page 14: ......
Page 15: ...Part I Part I Part I Part I Problem Solving Problem Solving Problem Solving Problem Solving ...
Page 86: ......
Page 87: ...Part II Part II Part II Part II Programming Programming Programming Programming ...
Page 123: ...Part III Part III Part III Part III Solutions Solutions Solutions Solutions ...
Page 169: ...Appendi Appendi Appendi Appendixes xes xes xes ...