HP (Hewlett-Packard) Calculator HP 12C Financial Calculator User Manual

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32 Section 2: Percentage and Calendar Functions
File name: hp 12c pt_user's guide_English_HDPMF123E27 Page: 32 of 275
Printed Date: 2005/8/1 Dimension: 14.8 cm x 21 cm
Percentages in ALG Mode
In ALG mode, to find the amount corresponding to a percentage of a number:
1. Key in the base number.
2. Press §.
3. Key in the percentage.
4. Press b.
5. Press }.
For example, to find 14% of $300:
Keystrokes
(ALG mode)
Display
OO
0.00
Clears any pending operations.
300
300.
Keys in the base number.
§
300.00
Tells the calculator to multiply the 300
by the percentage entered next.
14
14.
Keys in the percentage.
b
0.14
Divides the percentage by 100.
}
42.00
Calculates the amount.
In most cases,
b
divides a number by 100. The one exception is when a plus or
minus sign precedes the number. For instance, 25
b
results in 0.25. To find 25%
of 200, press: 200
§
25
b}
. (Result is 50.)
Note: This is the last time the initial OO will be shown in these
examples. Don’t forget to clear the calculator in ALG mode before beginning
a new calculation.

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