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Percent Of Total In Alg Mode - HP 12C Platinum User Manual

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36
Section 2: Percentage and Calendar Functions
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
(RPN mode)
7.95\
2.36
Z

Percent of Total in ALG Mode

In ALG 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
(ALG mode)
3.92+
2.36+
1.67}
2.36
Z
Display
Keys in the total amount and
7.95
separates it from the next number.
Keys in 2.36 to find what % it is of
2.36
the number in the display.
Europe had nearly 30% of the total
29.69
sales.
Display
Keys in the first number and
3.92
separates it from the second.
Adds the second number.
6.28
Adds the third number to get the
7.95
total.
Keys in 2.36 to find what % it is of
2.36
the number in the display.
Europe had nearly 30% of the total
29.69

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