POWER DAX Function (Math and Trig)

Returns the result of a number raised to a power.

Syntax

POWER ( <Number>, <Power> )
Parameter Attributes Description
Number

The base number.

Power

The exponent, to which the base number is raised.

Return values

Scalar A single decimal value.

The Number raised to Power.

Remarks

The exponentiation operator ^ returns the same result as the POWER function.
The following two expressions are equivalent.

5 ^ 4
POWER ( 5, 4 )

Examples

--  SQRT computes the square root of a number
--  POWER raises the number to the required power
DEFINE
    VAR Vals = GENERATESERIES ( 1, 25, 3 )
EVALUATE
ADDCOLUMNS ( 
    Vals,
    "SQRT",        SQRT   ( [Value] ),
    "POWER (0.5)", POWER  ( [Value], 0.5 ),
    "POWER (4)",   POWER  ( [Value],   4 ),
    "POWER  -1",   POWER  ( [Value],  -1 )
)

Value SQRT POWER (0.5) POWER (4) POWER -1
1 1.00 1.00 1 1.00
4 2.00 2.00 256 0.25
7 2.65 2.65 2,401 0.14
10 3.16 3.16 10,000 0.10
13 3.61 3.61 28,561 0.08
16 4.00 4.00 65,536 0.06
19 4.36 4.36 130,321 0.05
22 4.69 4.69 234,256 0.05
25 5.00 5.00 390,625 0.04

Last update: Mar 13, 2024   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo, Kenneth Barber,

Microsoft documentation: https://docs.microsoft.com/en-us/dax/power-function-dax

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Context Transition

This function performs a Context Transition if called in a Row Context. Click to read more.

Row Context

This expression is executed in a Row Context. Click to read more.

Iterator

Not recommended

The use of this function is not recommended. See Remarks and Related functions for alternatives.

Not recommended

The use of this parameter is not recommended.

Deprecated

This function is deprecated. Jump to the Alternatives section to see the function to use.

Volatile

A volatile function may return a different result every time you call it, even if you provide the same arguments. Click to read more.

Deprecated

This parameter is deprecated and its use is not recommended.

DirectQuery compatibility

Limitations are placed on DAX expressions allowed in measures and calculated columns.
The state below shows the DirectQuery compatibility of the DAX function.

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