32 Section 2: Percentage and Calendar FunctionsPercentages 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

Display

 

(ALG mode)

 

 

 

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, bdivides a number by 100. The one exception is when a plus or minus sign precedes the number. For instance, 25 bresults in 0.25. To find 25% of 200, press: 200 §25 b}. (Result is 50.)

Note: This is the last time the initial OOwill be shown in these examples. Don’t forget to clear the calculator in ALG mode before beginning a new calculation.

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