102 Section 7: Mathematics and Number-Alteration FunctionsThe Power Function in RPN Mode

Pressing q calculates a power of a number — that is, yx. Like the arithmetic function +, qrequires two numbers:

1.Key in the base number (which is designated by the y on the key).

2.Press \ to separate the second number (the exponent) from the first (the base).

3.Key in the exponent (which is designated by the x on the key).

4.Press qto calculate the power.

To Calculate

Keystrokes

Display

 

(RPN mode)

 

21.4

2\1.4q

2.64

2–1.4

2\1.4Þq

0.38

(–2)3

2Þ\3q–8.00

3 2 or 21/3

2\3yq

1.26

The Power Function in ALG Mode

To calculate a power of a number, that is, yx, in ALG mode, do the following:

1.Key in the base number (which is designated by the y on the key).

2.Press qand key in the exponent (which is designated by the x on the key)

3.Press }to calculate the power.

Keystrokes

To CalculateDisplay

(ALG mode)

21.4

2q1.4}

2.64

2–1.4

2q1.4Þ}

0.38

(–2)3

2Þq3}

–8.00

3 2 or 21/3

2q3y}

1.26

File name: hp 12c pt_user's guide_English_HDPMF123E27

Page: 102 of 275

Printed Date: 2005/8/1

Dimension: 14.8 cm x 21 cm