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The **Log** function (LOG) is used obtain the power to which the base value must be raised to produce the number provided.

The **Log** function has two parameters:

Allowed Inputs: field value or a number

The first parameter of the **Log** function is the value that should result from the base being raised to the resulting power. Either use the query builder or the type a value option to enter a number.

Allowed Inputs: field value or number

The second parameter is the number that represents the base of the exponentiation either use the use the Query Builder to choose a field that contains the value or use type a value to enter a number. If no value is provided ten will be used.

The output of the **LOG** function is the power to which the base value must be raised to produce the value.

For example LOG(1000) would result in 3 and LOG(19683,3) would result in 9.

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