Specifies the number to evaluate.
Specifies the power to which the specified number should be raised.
1. |
The following example returns 4.
POWER(2,2)
|
2. |
The following example returns 8.
POWER(2,3)
|
3. |
The following example uses the POWER function to perform gamma correction.
SELECT(RANGE(0,256), 255 * (POWER (Index/255,
1/gamma)))
Note that the gamma value is typically between 0.5 and 3. |