HP 12C Financial Programmable Calculator Guide de l'utilisateur télécharger pdf (Page 85)

Section 7: Mathematics and Number-Alteration Functions 85

File name: hp 12c_user's guide_English_HDPMBF12E44 Page: 85 of 209

Printered Date: 2005/7/29 Dimension: 14.8 cm x 21 cm

The Power Function

Pressing

calculates a power of a number — that is, y

. Like the arithmetic

function

requires 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 q to calculate the power.

To Calculate Keystrokes Display

1.4

2\1.4q

2.64

–1.4

2\1.4Þq

0.38

(–2)

2Þ\3q

–8.00

or 2

1/3

2\3yq

1.26

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 210 211

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HP 12C Financial Programmable Calculator Guide de l'utilisateur Page 85