### Excel LOG Function

This Excel Tutorial demonstrates how to use the Excel LOG Function in Excel to calculate the logarithm of a number to a specified base, with formula examples.

## LOG Function Description:

The LOG Function Calculates the logarithm of a number to a specified base.

## Formula Examples: Example Formula Result
1 =LOG(C5) 1
2 =LOG(C6) 1.30102999566398
3 =LOG(C7) 2
4 =LOG(C8,D8) 1.43067655807339

## Syntax and Arguments:

The Syntax for the LOG Formula is:

### Function Arguments ( Inputs ):

number – A number.

base – OPTIONAL. The base of the logarithm. Blank as default.

Use the LOG Function to calculate the logarithm of a number to a specified base. Simply enter any number directly into the formula, or reference a cell containing a number.

## LOG Examples in VBA

You can also use the LOG function in VBA. Type:
`application.worksheetfunction.log(number,base)`
For the function arguments (number, etc.), you can either enter them directly into the function, or define variables to use instead.

`=AND(`  