LOG Function Explained

The LOG() function in Microsoft Excel returns the logarithm of a number to a specified base. It takes two arguments: the number for which you want the logarithm and the base of the logarithm. The syntax is LOG(number, base).

LOG Function Syntax

LOG(number, [base])

  • number: The positive real number for which you want the logarithm.
  • base: (optional) The base of the logarithm. If omitted, the default value is 10.