Section 7: Mathematics and Number-Alteration Functions

85

The Power Function

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

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

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