Percentages In Alg Mode; Section 2: Percentage And Calendar Functions - HP 12C Platinum User Manual

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Section 2: Percentage and Calendar Functions

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)
OO
300
§
14
b
}
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.
Display
Clears any pending operations.
0.00
Keys in the base number.
300.
Tells the calculator to multiply the 300
300.00
by the percentage entered next.
Keys in the percentage.
14.
Divides the percentage by 100.
0.14
Calculates the amount.
42.00